Eric Hachulla, Pierre Clerson, David Launay, Marc Lambert, Sandrine Morell-Dubois, Viviane Queyrel, Pierre-Yves Hatron. J Rheumatol 2007
Times Cited: 148
Times Cited: 148
Times Cited
Times Co-cited
Similarity
Bosentan treatment of digital ulcers related to systemic sclerosis: results from the RAPIDS-2 randomised, double-blind, placebo-controlled trial.
Marco Matucci-Cerinic, Christopher P Denton, Daniel E Furst, Maureen D Mayes, Vivien M Hsu, Patrick Carpentier, Fredrick M Wigley, Carol M Black, Barri J Fessler, Peter A Merkel,[...]. Ann Rheum Dis 2011
Marco Matucci-Cerinic, Christopher P Denton, Daniel E Furst, Maureen D Mayes, Vivien M Hsu, Patrick Carpentier, Fredrick M Wigley, Carol M Black, Barri J Fessler, Peter A Merkel,[...]. Ann Rheum Dis 2011
41
Digital ulcers in systemic sclerosis: prevention by treatment with bosentan, an oral endothelin receptor antagonist.
J H Korn, M Mayes, M Matucci Cerinic, M Rainisio, J Pope, E Hachulla, E Rich, P Carpentier, J Molitor, J R Seibold,[...]. Arthritis Rheum 2004
J H Korn, M Mayes, M Matucci Cerinic, M Rainisio, J Pope, E Hachulla, E Rich, P Carpentier, J Molitor, J R Seibold,[...]. Arthritis Rheum 2004
38
Digital ulcers in scleroderma: staging, characteristics and sub-setting through observation of 1614 digital lesions.
Laura Amanzi, Francesca Braschi, Ginevra Fiori, Felice Galluccio, Irene Miniati, Serena Guiducci, Maria-Letizia Conforti, Olga Kaloudi, Francesca Nacci, Oana Sacu,[...]. Rheumatology (Oxford) 2010
Laura Amanzi, Francesca Braschi, Ginevra Fiori, Felice Galluccio, Irene Miniati, Serena Guiducci, Maria-Letizia Conforti, Olga Kaloudi, Francesca Nacci, Oana Sacu,[...]. Rheumatology (Oxford) 2010
38
Clinical features of scleroderma patients with or without prior or current ischemic digital ulcers: post-hoc analysis of a nationwide multicenter cohort (ItinérAIR-Sclérodermie).
Kiet Phong Tiev, Elisabeth Diot, Pierre Clerson, Frédérique Dupuis-Siméon, Eric Hachulla, Pierre-Yves Hatron, Joël Constans, Daniéla Cirstéa, Dominique Farge-Bancel, Patrick H Carpentier. J Rheumatol 2009
Kiet Phong Tiev, Elisabeth Diot, Pierre Clerson, Frédérique Dupuis-Siméon, Eric Hachulla, Pierre-Yves Hatron, Joël Constans, Daniéla Cirstéa, Dominique Farge-Bancel, Patrick H Carpentier. J Rheumatol 2009
55
Digital ulcers: overt vascular disease in systemic sclerosis.
V Steen, C P Denton, J E Pope, M Matucci-Cerinic. Rheumatology (Oxford) 2009
V Steen, C P Denton, J E Pope, M Matucci-Cerinic. Rheumatology (Oxford) 2009
36
Clinical risk assessment of organ manifestations in systemic sclerosis: a report from the EULAR Scleroderma Trials And Research group database.
U A Walker, A Tyndall, L Czirják, C Denton, D Farge-Bancel, O Kowal-Bielecka, U Müller-Ladner, C Bocelli-Tyndall, M Matucci-Cerinic. Ann Rheum Dis 2007
U A Walker, A Tyndall, L Czirják, C Denton, D Farge-Bancel, O Kowal-Bielecka, U Müller-Ladner, C Bocelli-Tyndall, M Matucci-Cerinic. Ann Rheum Dis 2007
33
Associations with digital ulcers in a large cohort of systemic sclerosis: results from the Canadian Scleroderma Research Group registry.
Sarit Khimdas, Sarah Harding, Ash Bonner, Brittany Zummer, Murray Baron, Janet Pope. Arthritis Care Res (Hoboken) 2011
Sarit Khimdas, Sarah Harding, Ash Bonner, Brittany Zummer, Murray Baron, Janet Pope. Arthritis Care Res (Hoboken) 2011
36
2013 classification criteria for systemic sclerosis: an American College of Rheumatology/European League against Rheumatism collaborative initiative.
Frank van den Hoogen, Dinesh Khanna, Jaap Fransen, Sindhu R Johnson, Murray Baron, Alan Tyndall, Marco Matucci-Cerinic, Raymond P Naden, Thomas A Medsger, Patricia E Carreira,[...]. Arthritis Rheum 2013
Frank van den Hoogen, Dinesh Khanna, Jaap Fransen, Sindhu R Johnson, Murray Baron, Alan Tyndall, Marco Matucci-Cerinic, Raymond P Naden, Thomas A Medsger, Patricia E Carreira,[...]. Arthritis Rheum 2013
31
Digital ulcers predict a worse disease course in patients with systemic sclerosis.
Carina Mihai, Robert Landewé, Désirée van der Heijde, Ulrich A Walker, Paul I Constantin, Ana Maria Gherghe, Ruxandra Ionescu, Simona Rednic, Yannick Allanore, Jérôme Avouac,[...]. Ann Rheum Dis 2016
Carina Mihai, Robert Landewé, Désirée van der Heijde, Ulrich A Walker, Paul I Constantin, Ana Maria Gherghe, Ruxandra Ionescu, Simona Rednic, Yannick Allanore, Jérôme Avouac,[...]. Ann Rheum Dis 2016
36
Scleroderma (systemic sclerosis): classification, subsets and pathogenesis.
E C LeRoy, C Black, R Fleischmajer, S Jablonska, T Krieg, T A Medsger, N Rowell, F Wollheim. J Rheumatol 1988
E C LeRoy, C Black, R Fleischmajer, S Jablonska, T Krieg, T A Medsger, N Rowell, F Wollheim. J Rheumatol 1988
29
Comparison of patients with and without digital ulcers in systemic sclerosis: detection of possible risk factors.
C Sunderkötter, I Herrgott, C Brückner, P Moinzadeh, C Pfeiffer, J Gerss, N Hunzelmann, M Böhm, T Krieg, U Müller-Ladner,[...]. Br J Dermatol 2009
C Sunderkötter, I Herrgott, C Brückner, P Moinzadeh, C Pfeiffer, J Gerss, N Hunzelmann, M Böhm, T Krieg, U Müller-Ladner,[...]. Br J Dermatol 2009
35
Impact of digital ulcers on disability and health-related quality of life in systemic sclerosis.
L Mouthon, C Mestre-Stanislas, A Bérezné, F Rannou, P Guilpain, M Revel, C Pagnoux, L Guillevin, J Fermanian, S Poiraudeau. Ann Rheum Dis 2010
L Mouthon, C Mestre-Stanislas, A Bérezné, F Rannou, P Guilpain, M Revel, C Pagnoux, L Guillevin, J Fermanian, S Poiraudeau. Ann Rheum Dis 2010
29
Ischemic digital ulcers affect hand disability and pain in systemic sclerosis.
Luc Mouthon, Patrick H Carpentier, Catherine Lok, Pierre Clerson, Virginie Gressin, Eric Hachulla, Alice Bérezné, Elisabeth Diot, Aurélie Khau Van Kien, Patrick Jego,[...]. J Rheumatol 2014
Luc Mouthon, Patrick H Carpentier, Catherine Lok, Pierre Clerson, Virginie Gressin, Eric Hachulla, Alice Bérezné, Elisabeth Diot, Aurélie Khau Van Kien, Patrick Jego,[...]. J Rheumatol 2014
51
Impact of systemic sclerosis on occupational and professional activity with attention to patients with digital ulcers.
A Bérezné, R Seror, S Morell-Dubois, M de Menthon, E Fois, A Dzeing-Ella, C Nguyen, E Hachulla, L Guillevin, S Poiraudeau,[...]. Arthritis Care Res (Hoboken) 2011
A Bérezné, R Seror, S Morell-Dubois, M de Menthon, E Fois, A Dzeing-Ella, C Nguyen, E Hachulla, L Guillevin, S Poiraudeau,[...]. Arthritis Care Res (Hoboken) 2011
28
Demographic, clinical and antibody characteristics of patients with digital ulcers in systemic sclerosis: data from the DUO Registry.
Christopher P Denton, Thomas Krieg, Loic Guillevin, Barbara Schwierin, Daniel Rosenberg, Mariabeth Silkey, Maurice Zultak, Marco Matucci-Cerinic. Ann Rheum Dis 2012
Christopher P Denton, Thomas Krieg, Loic Guillevin, Barbara Schwierin, Daniel Rosenberg, Mariabeth Silkey, Maurice Zultak, Marco Matucci-Cerinic. Ann Rheum Dis 2012
29
Clinical burden of digital vasculopathy in limited and diffuse cutaneous systemic sclerosis.
S I Nihtyanova, G M Brough, C M Black, C P Denton. Ann Rheum Dis 2008
S I Nihtyanova, G M Brough, C M Black, C P Denton. Ann Rheum Dis 2008
20
Efficacy of sildenafil on ischaemic digital ulcer healing in systemic sclerosis: the placebo-controlled SEDUCE study.
Eric Hachulla, Pierre-Yves Hatron, Patrick Carpentier, Christian Agard, Emmanuel Chatelus, Patrick Jego, Luc Mouthon, Viviane Queyrel, Anne-Laure Fauchais, Ulrique Michon-Pasturel,[...]. Ann Rheum Dis 2016
Eric Hachulla, Pierre-Yves Hatron, Patrick Carpentier, Christian Agard, Emmanuel Chatelus, Patrick Jego, Luc Mouthon, Viviane Queyrel, Anne-Laure Fauchais, Ulrique Michon-Pasturel,[...]. Ann Rheum Dis 2016
25
2013 classification criteria for systemic sclerosis: an American college of rheumatology/European league against rheumatism collaborative initiative.
Frank van den Hoogen, Dinesh Khanna, Jaap Fransen, Sindhu R Johnson, Murray Baron, Alan Tyndall, Marco Matucci-Cerinic, Raymond P Naden, Thomas A Medsger, Patricia E Carreira,[...]. Ann Rheum Dis 2013
Frank van den Hoogen, Dinesh Khanna, Jaap Fransen, Sindhu R Johnson, Murray Baron, Alan Tyndall, Marco Matucci-Cerinic, Raymond P Naden, Thomas A Medsger, Patricia E Carreira,[...]. Ann Rheum Dis 2013
19
Review: evidence that systemic sclerosis is a vascular disease.
Marco Matucci-Cerinic, Bashar Kahaleh, Fredrick M Wigley. Arthritis Rheum 2013
Marco Matucci-Cerinic, Bashar Kahaleh, Fredrick M Wigley. Arthritis Rheum 2013
19
A prospective study of systemic sclerosis-related digital ulcers: prevalence, location, and functional impact.
H Ennis, A Vail, E Wragg, A Taylor, T Moore, A Murray, L Muir, C E M Griffiths, A L Herrick. Scand J Rheumatol 2013
H Ennis, A Vail, E Wragg, A Taylor, T Moore, A Murray, L Muir, C E M Griffiths, A L Herrick. Scand J Rheumatol 2013
51
21
Meta-analysis of healing and prevention of digital ulcers in systemic sclerosis.
Theresa Tingey, Jenny Shu, Joseph Smuczek, Janet Pope. Arthritis Care Res (Hoboken) 2013
Theresa Tingey, Jenny Shu, Joseph Smuczek, Janet Pope. Arthritis Care Res (Hoboken) 2013
22
Intravenous iloprost infusion in patients with Raynaud phenomenon secondary to systemic sclerosis. A multicenter, placebo-controlled, double-blind study.
F M Wigley, R A Wise, J R Seibold, D A McCloskey, G Kujala, T A Medsger, V D Steen, J Varga, S Jimenez, M Mayes,[...]. Ann Intern Med 1994
F M Wigley, R A Wise, J R Seibold, D A McCloskey, G Kujala, T A Medsger, V D Steen, J Varga, S Jimenez, M Mayes,[...]. Ann Intern Med 1994
17
Capillaroscopic skin ulcer risk index: a new prognostic tool for digital skin ulcer development in systemic sclerosis patients.
M Sebastiani, A Manfredi, M Colaci, R D'amico, V Malagoli, D Giuggioli, C Ferri. Arthritis Rheum 2009
M Sebastiani, A Manfredi, M Colaci, R D'amico, V Malagoli, D Giuggioli, C Ferri. Arthritis Rheum 2009
17
Elucidating the burden of recurrent and chronic digital ulcers in systemic sclerosis: long-term results from the DUO Registry.
Marco Matucci-Cerinic, Thomas Krieg, Loic Guillevin, Barbara Schwierin, Daniel Rosenberg, Peter Cornelisse, Christopher P Denton. Ann Rheum Dis 2016
Marco Matucci-Cerinic, Thomas Krieg, Loic Guillevin, Barbara Schwierin, Daniel Rosenberg, Peter Cornelisse, Christopher P Denton. Ann Rheum Dis 2016
31
Functional impairment of systemic scleroderma patients with digital ulcerations: results from the DUO Registry.
Loïc Guillevin, Elke Hunsche, Christopher P Denton, Thomas Krieg, Barbara Schwierin, Daniel Rosenberg, Marco Matucci-Cerinic. Clin Exp Rheumatol 2013
Loïc Guillevin, Elke Hunsche, Christopher P Denton, Thomas Krieg, Barbara Schwierin, Daniel Rosenberg, Marco Matucci-Cerinic. Clin Exp Rheumatol 2013
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Criteria for the classification of early systemic sclerosis.
E C LeRoy, T A Medsger. J Rheumatol 2001
E C LeRoy, T A Medsger. J Rheumatol 2001
15
Systemic sclerosis: demographic, clinical, and serologic features and survival in 1,012 Italian patients.
Clodoveo Ferri, Gabriele Valentini, Franco Cozzi, Marco Sebastiani, Claudio Michelassi, Giovanni La Montagna, Arianna Bullo, Massimiliano Cazzato, Enrico Tirri, Franca Storino,[...]. Medicine (Baltimore) 2002
Clodoveo Ferri, Gabriele Valentini, Franco Cozzi, Marco Sebastiani, Claudio Michelassi, Giovanni La Montagna, Arianna Bullo, Massimiliano Cazzato, Enrico Tirri, Franca Storino,[...]. Medicine (Baltimore) 2002
15
Consensus opinion of a North American Working Group regarding the classification of digital ulcers in systemic sclerosis.
Murray Baron, Lorinda Chung, Geneviève Gyger, Laura Hummers, Dinesh Khanna, Maureen D Mayes, Janet E Pope, Ami A Shah, Virginia D Steen, Russell Steele,[...]. Clin Rheumatol 2014
Murray Baron, Lorinda Chung, Geneviève Gyger, Laura Hummers, Dinesh Khanna, Maureen D Mayes, Janet E Pope, Ami A Shah, Virginia D Steen, Russell Steele,[...]. Clin Rheumatol 2014
39
Preliminary criteria for the classification of systemic sclerosis (scleroderma). Subcommittee for scleroderma criteria of the American Rheumatism Association Diagnostic and Therapeutic Criteria Committee.
. Arthritis Rheum 1980
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14
Predictive role of capillaroscopic skin ulcer risk index in systemic sclerosis: a multicentre validation study.
M Sebastiani, A Manfredi, G Vukatana, S Moscatelli, L Riato, M Bocci, M Iudici, A Principato, S Mazzuca, P Del Medico,[...]. Ann Rheum Dis 2012
M Sebastiani, A Manfredi, G Vukatana, S Moscatelli, L Riato, M Bocci, M Iudici, A Principato, S Mazzuca, P Del Medico,[...]. Ann Rheum Dis 2012
17
Digital ulcers as a sentinel sign for early internal organ involvement in very early systemic sclerosis.
Cosimo Bruni, Serena Guiducci, Silvia Bellando-Randone, Gemma Lepri, Francesca Braschi, Ginevra Fiori, Francesca Bartoli, Francesca Peruzzi, Jelena Blagojevic, Marco Matucci-Cerinic. Rheumatology (Oxford) 2015
Cosimo Bruni, Serena Guiducci, Silvia Bellando-Randone, Gemma Lepri, Francesca Braschi, Ginevra Fiori, Francesca Bartoli, Francesca Peruzzi, Jelena Blagojevic, Marco Matucci-Cerinic. Rheumatology (Oxford) 2015
31
Effect of Macitentan on the Development of New Ischemic Digital Ulcers in Patients With Systemic Sclerosis: DUAL-1 and DUAL-2 Randomized Clinical Trials.
Dinesh Khanna, Christopher P Denton, Peter A Merkel, Thomas Krieg, Franck-Olivier Le Brun, Angelina Marr, Kelly Papadakis, Janet Pope, Marco Matucci-Cerinic, Daniel E Furst. JAMA 2016
Dinesh Khanna, Christopher P Denton, Peter A Merkel, Thomas Krieg, Franck-Olivier Le Brun, Angelina Marr, Kelly Papadakis, Janet Pope, Marco Matucci-Cerinic, Daniel E Furst. JAMA 2016
20
Nailfold videocapillaroscopy assessment of microvascular damage in systemic sclerosis.
M Cutolo, A Sulli, C Pizzorni, S Accardo. J Rheumatol 2000
M Cutolo, A Sulli, C Pizzorni, S Accardo. J Rheumatol 2000
13
Do worsening scleroderma capillaroscopic patterns predict future severe organ involvement? a pilot study.
Vanessa Smith, Saskia Decuman, Alberto Sulli, Carolien Bonroy, Yves Piettte, Ellen Deschepper, Filip de Keyser, Maurizio Cutolo. Ann Rheum Dis 2012
Vanessa Smith, Saskia Decuman, Alberto Sulli, Carolien Bonroy, Yves Piettte, Ellen Deschepper, Filip de Keyser, Maurizio Cutolo. Ann Rheum Dis 2012
13
Short-term follow-up of digital ulcers by laser speckle contrast analysis in systemic sclerosis patients.
Barbara Ruaro, Alberto Sulli, Vanessa Smith, Sabrina Paolino, Carmen Pizzorni, Maurizio Cutolo. Microvasc Res 2015
Barbara Ruaro, Alberto Sulli, Vanessa Smith, Sabrina Paolino, Carmen Pizzorni, Maurizio Cutolo. Microvasc Res 2015
30
Consensus best practice pathway of the UK Scleroderma Study Group: digital vasculopathy in systemic sclerosis.
Michael Hughes, Voon H Ong, Marina E Anderson, Frances Hall, Pia Moinzadeh, Bridget Griffiths, Eileen Baildam, Christopher P Denton, Ariane L Herrick. Rheumatology (Oxford) 2015
Michael Hughes, Voon H Ong, Marina E Anderson, Frances Hall, Pia Moinzadeh, Bridget Griffiths, Eileen Baildam, Christopher P Denton, Ariane L Herrick. Rheumatology (Oxford) 2015
17
Update of EULAR recommendations for the treatment of systemic sclerosis.
Otylia Kowal-Bielecka, Jaap Fransen, Jerome Avouac, Mike Becker, Agnieszka Kulak, Yannick Allanore, Oliver Distler, Philip Clements, Maurizio Cutolo, Laszlo Czirjak,[...]. Ann Rheum Dis 2017
Otylia Kowal-Bielecka, Jaap Fransen, Jerome Avouac, Mike Becker, Agnieszka Kulak, Yannick Allanore, Oliver Distler, Philip Clements, Maurizio Cutolo, Laszlo Czirjak,[...]. Ann Rheum Dis 2017
13
Lack of agreement between rheumatologists in defining digital ulceration in systemic sclerosis.
Ariane L Herrick, Christopher Roberts, Andrew Tracey, Alan Silman, Marina Anderson, Mark Goodfield, Neil McHugh, Lindsay Muir, Christopher P Denton. Arthritis Rheum 2009
Ariane L Herrick, Christopher Roberts, Andrew Tracey, Alan Silman, Marina Anderson, Mark Goodfield, Neil McHugh, Lindsay Muir, Christopher P Denton. Arthritis Rheum 2009
31
An observational cohort study of patients with newly diagnosed digital ulcer disease secondary to systemic sclerosis registered in the EUSTAR database.
Monika Brand, Rebecca Hollaender, Daniel Rosenberg, Martin Scott, Elke Hunsche, Alan Tyndall, Valentina Denaro, Patricia Carreira, Cecilia Varju, Barbara Gabrielli,[...]. Clin Exp Rheumatol 2015
Monika Brand, Rebecca Hollaender, Daniel Rosenberg, Martin Scott, Elke Hunsche, Alan Tyndall, Valentina Denaro, Patricia Carreira, Cecilia Varju, Barbara Gabrielli,[...]. Clin Exp Rheumatol 2015
41
EULAR recommendations for the treatment of systemic sclerosis: a report from the EULAR Scleroderma Trials and Research group (EUSTAR).
O Kowal-Bielecka, R Landewé, J Avouac, S Chwiesko, I Miniati, L Czirjak, P Clements, C Denton, D Farge, K Fligelstone,[...]. Ann Rheum Dis 2009
O Kowal-Bielecka, R Landewé, J Avouac, S Chwiesko, I Miniati, L Czirjak, P Clements, C Denton, D Farge, K Fligelstone,[...]. Ann Rheum Dis 2009
11
Angiogenic biomarkers predict the occurrence of digital ulcers in systemic sclerosis.
Jérôme Avouac, Christophe Meune, Barbara Ruiz, Pierre Olivier Couraud, Georges Uzan, Catherine Boileau, André Kahan, Gilles Chiocchia, Yannick Allanore. Ann Rheum Dis 2012
Jérôme Avouac, Christophe Meune, Barbara Ruiz, Pierre Olivier Couraud, Georges Uzan, Catherine Boileau, André Kahan, Gilles Chiocchia, Yannick Allanore. Ann Rheum Dis 2012
28
Nailfold capillaroscopy for day-to-day clinical use: construction of a simple scoring modality as a clinical prognostic index for digital trophic lesions.
Vanessa Smith, Filip De Keyser, Carmen Pizzorni, Jens T Van Praet, Saskia Decuman, Alberto Sulli, Ellen Deschepper, Maurizio Cutolo. Ann Rheum Dis 2011
Vanessa Smith, Filip De Keyser, Carmen Pizzorni, Jens T Van Praet, Saskia Decuman, Alberto Sulli, Ellen Deschepper, Maurizio Cutolo. Ann Rheum Dis 2011
12
Measuring disease activity and functional status in patients with scleroderma and Raynaud's phenomenon.
Peter A Merkel, Karen Herlyn, Richard W Martin, Jennifer J Anderson, Maureen D Mayes, Patrice Bell, Joseph H Korn, Robert W Simms, Mary Ellen Csuka, Thomas A Medsger,[...]. Arthritis Rheum 2002
Peter A Merkel, Karen Herlyn, Richard W Martin, Jennifer J Anderson, Maureen D Mayes, Patrice Bell, Joseph H Korn, Robert W Simms, Mary Ellen Csuka, Thomas A Medsger,[...]. Arthritis Rheum 2002
11
Autoantibodies and microvascular damage are independent predictive factors for the progression of Raynaud's phenomenon to systemic sclerosis: a twenty-year prospective study of 586 patients, with validation of proposed criteria for early systemic sclerosis.
Martial Koenig, France Joyal, Marvin J Fritzler, André Roussin, Michal Abrahamowicz, Gilles Boire, Jean-Richard Goulet, Eric Rich, Tamara Grodzicky, Yves Raymond,[...]. Arthritis Rheum 2008
Martial Koenig, France Joyal, Marvin J Fritzler, André Roussin, Michal Abrahamowicz, Gilles Boire, Jean-Richard Goulet, Eric Rich, Tamara Grodzicky, Yves Raymond,[...]. Arthritis Rheum 2008
10
Statins: potentially useful in therapy of systemic sclerosis-related Raynaud's phenomenon and digital ulcers.
Anna Abou-Raya, Suzan Abou-Raya, Madihah Helmii. J Rheumatol 2008
Anna Abou-Raya, Suzan Abou-Raya, Madihah Helmii. J Rheumatol 2008
10
A PRISMA-driven systematic review for predictive risk factors of digital ulcers in systemic sclerosis patients.
I Silva, J Almeida, C Vasconcelos. Autoimmun Rev 2015
I Silva, J Almeida, C Vasconcelos. Autoimmun Rev 2015
27
Macrovascular disease and systemic sclerosis.
M Ho, D Veale, C Eastmond, G Nuki, J Belch. Ann Rheum Dis 2000
M Ho, D Veale, C Eastmond, G Nuki, J Belch. Ann Rheum Dis 2000
9
Co-cited is the co-citation frequency, indicating how many articles cite the article together with the query article. Similarity is the co-citation as percentage of the times cited of the query article or the article in the search results, whichever is the lowest. These numbers are calculated for the last 100 citations when articles are cited more than 100 times.