Dawei Wang, Bo Hu, Chang Hu, Fangfang Zhu, Xing Liu, Jing Zhang, Binbin Wang, Hui Xiang, Zhenshun Cheng, Yong Xiong, Yan Zhao, Yirong Li, Xinghuan Wang, Zhiyong Peng. JAMA 2020
Times Cited: 11034
Times Cited: 11034
Times Cited
Times Co-cited
Similarity
Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China.
Chaolin Huang, Yeming Wang, Xingwang Li, Lili Ren, Jianping Zhao, Yi Hu, Li Zhang, Guohui Fan, Jiuyang Xu, Xiaoying Gu,[...]. Lancet 2020
Chaolin Huang, Yeming Wang, Xingwang Li, Lili Ren, Jianping Zhao, Yi Hu, Li Zhang, Guohui Fan, Jiuyang Xu, Xiaoying Gu,[...]. Lancet 2020
45
Clinical Characteristics of Coronavirus Disease 2019 in China.
Wei-Jie Guan, Zheng-Yi Ni, Yu Hu, Wen-Hua Liang, Chun-Quan Ou, Jian-Xing He, Lei Liu, Hong Shan, Chun-Liang Lei, David S C Hui,[...]. N Engl J Med 2020
Wei-Jie Guan, Zheng-Yi Ni, Yu Hu, Wen-Hua Liang, Chun-Quan Ou, Jian-Xing He, Lei Liu, Hong Shan, Chun-Liang Lei, David S C Hui,[...]. N Engl J Med 2020
38
Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study.
Fei Zhou, Ting Yu, Ronghui Du, Guohui Fan, Ying Liu, Zhibo Liu, Jie Xiang, Yeming Wang, Bin Song, Xiaoying Gu,[...]. Lancet 2020
Fei Zhou, Ting Yu, Ronghui Du, Guohui Fan, Ying Liu, Zhibo Liu, Jie Xiang, Yeming Wang, Bin Song, Xiaoying Gu,[...]. Lancet 2020
36
Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study.
Nanshan Chen, Min Zhou, Xuan Dong, Jieming Qu, Fengyun Gong, Yang Han, Yang Qiu, Jingli Wang, Ying Liu, Yuan Wei,[...]. Lancet 2020
Nanshan Chen, Min Zhou, Xuan Dong, Jieming Qu, Fengyun Gong, Yang Han, Yang Qiu, Jingli Wang, Ying Liu, Yuan Wei,[...]. Lancet 2020
26
Characteristics of and Important Lessons From the Coronavirus Disease 2019 (COVID-19) Outbreak in China: Summary of a Report of 72 314 Cases From the Chinese Center for Disease Control and Prevention.
Zunyou Wu, Jennifer M McGoogan. JAMA 2020
Zunyou Wu, Jennifer M McGoogan. JAMA 2020
17
Risk Factors Associated With Acute Respiratory Distress Syndrome and Death in Patients With Coronavirus Disease 2019 Pneumonia in Wuhan, China.
Chaomin Wu, Xiaoyan Chen, Yanping Cai, Jia'an Xia, Xing Zhou, Sha Xu, Hanping Huang, Li Zhang, Xia Zhou, Chunling Du,[...]. JAMA Intern Med 2020
Chaomin Wu, Xiaoyan Chen, Yanping Cai, Jia'an Xia, Xing Zhou, Sha Xu, Hanping Huang, Li Zhang, Xia Zhou, Chunling Du,[...]. JAMA Intern Med 2020
13
SARS-CoV-2 Cell Entry Depends on ACE2 and TMPRSS2 and Is Blocked by a Clinically Proven Protease Inhibitor.
Markus Hoffmann, Hannah Kleine-Weber, Simon Schroeder, Nadine Krüger, Tanja Herrler, Sandra Erichsen, Tobias S Schiergens, Georg Herrler, Nai-Huei Wu, Andreas Nitsche,[...]. Cell 2020
Markus Hoffmann, Hannah Kleine-Weber, Simon Schroeder, Nadine Krüger, Tanja Herrler, Sandra Erichsen, Tobias S Schiergens, Georg Herrler, Nai-Huei Wu, Andreas Nitsche,[...]. Cell 2020
12
A Novel Coronavirus from Patients with Pneumonia in China, 2019.
Na Zhu, Dingyu Zhang, Wenling Wang, Xingwang Li, Bo Yang, Jingdong Song, Xiang Zhao, Baoying Huang, Weifeng Shi, Roujian Lu,[...]. N Engl J Med 2020
Na Zhu, Dingyu Zhang, Wenling Wang, Xingwang Li, Bo Yang, Jingdong Song, Xiang Zhao, Baoying Huang, Weifeng Shi, Roujian Lu,[...]. N Engl J Med 2020
11
Clinical course and outcomes of critically ill patients with SARS-CoV-2 pneumonia in Wuhan, China: a single-centered, retrospective, observational study.
Xiaobo Yang, Yuan Yu, Jiqian Xu, Huaqing Shu, Jia'an Xia, Hong Liu, Yongran Wu, Lu Zhang, Zhui Yu, Minghao Fang,[...]. Lancet Respir Med 2020
Xiaobo Yang, Yuan Yu, Jiqian Xu, Huaqing Shu, Jia'an Xia, Hong Liu, Yongran Wu, Lu Zhang, Zhui Yu, Minghao Fang,[...]. Lancet Respir Med 2020
10
Presenting Characteristics, Comorbidities, and Outcomes Among 5700 Patients Hospitalized With COVID-19 in the New York City Area.
Safiya Richardson, Jamie S Hirsch, Mangala Narasimhan, James M Crawford, Thomas McGinn, Karina W Davidson, Douglas P Barnaby, Lance B Becker, John D Chelico, Stuart L Cohen,[...]. JAMA 2020
Safiya Richardson, Jamie S Hirsch, Mangala Narasimhan, James M Crawford, Thomas McGinn, Karina W Davidson, Douglas P Barnaby, Lance B Becker, John D Chelico, Stuart L Cohen,[...]. JAMA 2020
10
Abnormal coagulation parameters are associated with poor prognosis in patients with novel coronavirus pneumonia.
Ning Tang, Dengju Li, Xiong Wang, Ziyong Sun. J Thromb Haemost 2020
Ning Tang, Dengju Li, Xiong Wang, Ziyong Sun. J Thromb Haemost 2020
10
Clinical predictors of mortality due to COVID-19 based on an analysis of data of 150 patients from Wuhan, China.
Qiurong Ruan, Kun Yang, Wenxia Wang, Lingyu Jiang, Jianxin Song. Intensive Care Med 2020
Qiurong Ruan, Kun Yang, Wenxia Wang, Lingyu Jiang, Jianxin Song. Intensive Care Med 2020
9
Pathological findings of COVID-19 associated with acute respiratory distress syndrome.
Zhe Xu, Lei Shi, Yijin Wang, Jiyuan Zhang, Lei Huang, Chao Zhang, Shuhong Liu, Peng Zhao, Hongxia Liu, Li Zhu,[...]. Lancet Respir Med 2020
Zhe Xu, Lei Shi, Yijin Wang, Jiyuan Zhang, Lei Huang, Chao Zhang, Shuhong Liu, Peng Zhao, Hongxia Liu, Li Zhu,[...]. Lancet Respir Med 2020
9
A pneumonia outbreak associated with a new coronavirus of probable bat origin.
Peng Zhou, Xing-Lou Yang, Xian-Guang Wang, Ben Hu, Lei Zhang, Wei Zhang, Hao-Rui Si, Yan Zhu, Bei Li, Chao-Lin Huang,[...]. Nature 2020
Peng Zhou, Xing-Lou Yang, Xian-Guang Wang, Ben Hu, Lei Zhang, Wei Zhang, Hao-Rui Si, Yan Zhu, Bei Li, Chao-Lin Huang,[...]. Nature 2020
8
Clinical Characteristics of COVID-19 Patients With Digestive Symptoms in Hubei, China: A Descriptive, Cross-Sectional, Multicenter Study.
Lei Pan, Mi Mu, Pengcheng Yang, Yu Sun, Runsheng Wang, Junhong Yan, Pibao Li, Baoguang Hu, Jing Wang, Chao Hu,[...]. Am J Gastroenterol 2020
Lei Pan, Mi Mu, Pengcheng Yang, Yu Sun, Runsheng Wang, Junhong Yan, Pibao Li, Baoguang Hu, Jing Wang, Chao Hu,[...]. Am J Gastroenterol 2020
7
COVID-19: consider cytokine storm syndromes and immunosuppression.
Puja Mehta, Daniel F McAuley, Michael Brown, Emilie Sanchez, Rachel S Tattersall, Jessica J Manson. Lancet 2020
Puja Mehta, Daniel F McAuley, Michael Brown, Emilie Sanchez, Rachel S Tattersall, Jessica J Manson. Lancet 2020
7
Association of Cardiac Injury With Mortality in Hospitalized Patients With COVID-19 in Wuhan, China.
Shaobo Shi, Mu Qin, Bo Shen, Yuli Cai, Tao Liu, Fan Yang, Wei Gong, Xu Liu, Jinjun Liang, Qinyan Zhao,[...]. JAMA Cardiol 2020
Shaobo Shi, Mu Qin, Bo Shen, Yuli Cai, Tao Liu, Fan Yang, Wei Gong, Xu Liu, Jinjun Liang, Qinyan Zhao,[...]. JAMA Cardiol 2020
7
Dysregulation of Immune Response in Patients With Coronavirus 2019 (COVID-19) in Wuhan, China.
Chuan Qin, Luoqi Zhou, Ziwei Hu, Shuoqi Zhang, Sheng Yang, Yu Tao, Cuihong Xie, Ke Ma, Ke Shang, Wei Wang,[...]. Clin Infect Dis 2020
Chuan Qin, Luoqi Zhou, Ziwei Hu, Shuoqi Zhang, Sheng Yang, Yu Tao, Cuihong Xie, Ke Ma, Ke Shang, Wei Wang,[...]. Clin Infect Dis 2020
7
Dexamethasone in Hospitalized Patients with Covid-19.
Peter Horby, Wei Shen Lim, Jonathan R Emberson, Marion Mafham, Jennifer L Bell, Louise Linsell, Natalie Staplin, Christopher Brightling, Andrew Ustianowski, Einas Elmahi,[...]. N Engl J Med 2021
Peter Horby, Wei Shen Lim, Jonathan R Emberson, Marion Mafham, Jennifer L Bell, Louise Linsell, Natalie Staplin, Christopher Brightling, Andrew Ustianowski, Einas Elmahi,[...]. N Engl J Med 2021
7
Cardiovascular Implications of Fatal Outcomes of Patients With Coronavirus Disease 2019 (COVID-19).
Tao Guo, Yongzhen Fan, Ming Chen, Xiaoyan Wu, Lin Zhang, Tao He, Hairong Wang, Jing Wan, Xinghuan Wang, Zhibing Lu. JAMA Cardiol 2020
Tao Guo, Yongzhen Fan, Ming Chen, Xiaoyan Wu, Lin Zhang, Tao He, Hairong Wang, Jing Wan, Xinghuan Wang, Zhibing Lu. JAMA Cardiol 2020
7
Cardiovascular Considerations for Patients, Health Care Workers, and Health Systems During the COVID-19 Pandemic.
Elissa Driggin, Mahesh V Madhavan, Behnood Bikdeli, Taylor Chuich, Justin Laracy, Giuseppe Biondi-Zoccai, Tyler S Brown, Caroline Der Nigoghossian, David A Zidar, Jennifer Haythe,[...]. J Am Coll Cardiol 2020
Elissa Driggin, Mahesh V Madhavan, Behnood Bikdeli, Taylor Chuich, Justin Laracy, Giuseppe Biondi-Zoccai, Tyler S Brown, Caroline Der Nigoghossian, David A Zidar, Jennifer Haythe,[...]. J Am Coll Cardiol 2020
7
Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding.
Roujian Lu, Xiang Zhao, Juan Li, Peihua Niu, Bo Yang, Honglong Wu, Wenling Wang, Hao Song, Baoying Huang, Na Zhu,[...]. Lancet 2020
Roujian Lu, Xiang Zhao, Juan Li, Peihua Niu, Bo Yang, Honglong Wu, Wenling Wang, Hao Song, Baoying Huang, Na Zhu,[...]. Lancet 2020
7
COVID-19 and its implications for thrombosis and anticoagulation.
Jean M Connors, Jerrold H Levy. Blood 2020
Jean M Connors, Jerrold H Levy. Blood 2020
6
Neurologic Manifestations of Hospitalized Patients With Coronavirus Disease 2019 in Wuhan, China.
Ling Mao, Huijuan Jin, Mengdie Wang, Yu Hu, Shengcai Chen, Quanwei He, Jiang Chang, Candong Hong, Yifan Zhou, David Wang,[...]. JAMA Neurol 2020
Ling Mao, Huijuan Jin, Mengdie Wang, Yu Hu, Shengcai Chen, Quanwei He, Jiang Chang, Candong Hong, Yifan Zhou, David Wang,[...]. JAMA Neurol 2020
6
Single-cell RNA-seq data analysis on the receptor ACE2 expression reveals the potential risk of different human organs vulnerable to 2019-nCoV infection.
Xin Zou, Ke Chen, Jiawei Zou, Peiyi Han, Jie Hao, Zeguang Han. Front Med 2020
Xin Zou, Ke Chen, Jiawei Zou, Peiyi Han, Jie Hao, Zeguang Han. Front Med 2020
6
Case-Fatality Rate and Characteristics of Patients Dying in Relation to COVID-19 in Italy.
Graziano Onder, Giovanni Rezza, Silvio Brusaferro. JAMA 2020
Graziano Onder, Giovanni Rezza, Silvio Brusaferro. JAMA 2020
6
A novel coronavirus outbreak of global health concern.
Chen Wang, Peter W Horby, Frederick G Hayden, George F Gao. Lancet 2020
Chen Wang, Peter W Horby, Frederick G Hayden, George F Gao. Lancet 2020
6
Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus-Infected Pneumonia.
Qun Li, Xuhua Guan, Peng Wu, Xiaoye Wang, Lei Zhou, Yeqing Tong, Ruiqi Ren, Kathy S M Leung, Eric H Y Lau, Jessica Y Wong,[...]. N Engl J Med 2020
Qun Li, Xuhua Guan, Peng Wu, Xiaoye Wang, Lei Zhou, Yeqing Tong, Ruiqi Ren, Kathy S M Leung, Eric H Y Lau, Jessica Y Wong,[...]. N Engl J Med 2020
6
Baseline Characteristics and Outcomes of 1591 Patients Infected With SARS-CoV-2 Admitted to ICUs of the Lombardy Region, Italy.
Giacomo Grasselli, Alberto Zangrillo, Alberto Zanella, Massimo Antonelli, Luca Cabrini, Antonio Castelli, Danilo Cereda, Antonio Coluccello, Giuseppe Foti, Roberto Fumagalli,[...]. JAMA 2020
Giacomo Grasselli, Alberto Zangrillo, Alberto Zanella, Massimo Antonelli, Luca Cabrini, Antonio Castelli, Danilo Cereda, Antonio Coluccello, Giuseppe Foti, Roberto Fumagalli,[...]. JAMA 2020
5
Anticoagulant treatment is associated with decreased mortality in severe coronavirus disease 2019 patients with coagulopathy.
Ning Tang, Huan Bai, Xing Chen, Jiale Gong, Dengju Li, Ziyong Sun. J Thromb Haemost 2020
Ning Tang, Huan Bai, Xing Chen, Jiale Gong, Dengju Li, Ziyong Sun. J Thromb Haemost 2020
5
Extrapulmonary manifestations of COVID-19.
Aakriti Gupta, Mahesh V Madhavan, Kartik Sehgal, Nandini Nair, Shiwani Mahajan, Tejasav S Sehrawat, Behnood Bikdeli, Neha Ahluwalia, John C Ausiello, Elaine Y Wan,[...]. Nat Med 2020
Aakriti Gupta, Mahesh V Madhavan, Kartik Sehgal, Nandini Nair, Shiwani Mahajan, Tejasav S Sehrawat, Behnood Bikdeli, Neha Ahluwalia, John C Ausiello, Elaine Y Wan,[...]. Nat Med 2020
5
Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation.
Daniel Wrapp, Nianshuang Wang, Kizzmekia S Corbett, Jory A Goldsmith, Ching-Lin Hsieh, Olubukola Abiona, Barney S Graham, Jason S McLellan. Science 2020
Daniel Wrapp, Nianshuang Wang, Kizzmekia S Corbett, Jory A Goldsmith, Ching-Lin Hsieh, Olubukola Abiona, Barney S Graham, Jason S McLellan. Science 2020
5
Origin and evolution of pathogenic coronaviruses.
Jie Cui, Fang Li, Zheng-Li Shi. Nat Rev Microbiol 2019
Jie Cui, Fang Li, Zheng-Li Shi. Nat Rev Microbiol 2019
5
An interactive web-based dashboard to track COVID-19 in real time.
Ensheng Dong, Hongru Du, Lauren Gardner. Lancet Infect Dis 2020
Ensheng Dong, Hongru Du, Lauren Gardner. Lancet Infect Dis 2020
5
Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1.
Neeltje van Doremalen, Trenton Bushmaker, Dylan H Morris, Myndi G Holbrook, Amandine Gamble, Brandi N Williamson, Azaibi Tamin, Jennifer L Harcourt, Natalie J Thornburg, Susan I Gerber,[...]. N Engl J Med 2020
Neeltje van Doremalen, Trenton Bushmaker, Dylan H Morris, Myndi G Holbrook, Amandine Gamble, Brandi N Williamson, Azaibi Tamin, Jennifer L Harcourt, Natalie J Thornburg, Susan I Gerber,[...]. N Engl J Med 2020
5
Lymphopenia predicts disease severity of COVID-19: a descriptive and predictive study.
Li Tan, Qi Wang, Duanyang Zhang, Jinya Ding, Qianchuan Huang, Yi-Quan Tang, Qiongshu Wang, Hongming Miao. Signal Transduct Target Ther 2020
Li Tan, Qi Wang, Duanyang Zhang, Jinya Ding, Qianchuan Huang, Yi-Quan Tang, Qiongshu Wang, Hongming Miao. Signal Transduct Target Ther 2020
5
Prevalence of comorbidities and its effects in patients infected with SARS-CoV-2: a systematic review and meta-analysis.
Jing Yang, Ya Zheng, Xi Gou, Ke Pu, Zhaofeng Chen, Qinghong Guo, Rui Ji, Haojia Wang, Yuping Wang, Yongning Zhou. Int J Infect Dis 2020
Jing Yang, Ya Zheng, Xi Gou, Ke Pu, Zhaofeng Chen, Qinghong Guo, Rui Ji, Haojia Wang, Yuping Wang, Yongning Zhou. Int J Infect Dis 2020
5
Radiological findings from 81 patients with COVID-19 pneumonia in Wuhan, China: a descriptive study.
Heshui Shi, Xiaoyu Han, Nanchuan Jiang, Yukun Cao, Osamah Alwalid, Jin Gu, Yanqing Fan, Chuansheng Zheng. Lancet Infect Dis 2020
Heshui Shi, Xiaoyu Han, Nanchuan Jiang, Yukun Cao, Osamah Alwalid, Jin Gu, Yanqing Fan, Chuansheng Zheng. Lancet Infect Dis 2020
4
Correlation of Chest CT and RT-PCR Testing for Coronavirus Disease 2019 (COVID-19) in China: A Report of 1014 Cases.
Tao Ai, Zhenlu Yang, Hongyan Hou, Chenao Zhan, Chong Chen, Wenzhi Lv, Qian Tao, Ziyong Sun, Liming Xia. Radiology 2020
Tao Ai, Zhenlu Yang, Hongyan Hou, Chenao Zhan, Chong Chen, Wenzhi Lv, Qian Tao, Ziyong Sun, Liming Xia. Radiology 2020
4
COVID-19-associated Acute Hemorrhagic Necrotizing Encephalopathy: Imaging Features.
Neo Poyiadji, Gassan Shahin, Daniel Noujaim, Michael Stone, Suresh Patel, Brent Griffith. Radiology 2020
Neo Poyiadji, Gassan Shahin, Daniel Noujaim, Michael Stone, Suresh Patel, Brent Griffith. Radiology 2020
4
Liver injury in COVID-19: management and challenges.
Chao Zhang, Lei Shi, Fu-Sheng Wang. Lancet Gastroenterol Hepatol 2020
Chao Zhang, Lei Shi, Fu-Sheng Wang. Lancet Gastroenterol Hepatol 2020
4
Evidence for Gastrointestinal Infection of SARS-CoV-2.
Fei Xiao, Meiwen Tang, Xiaobin Zheng, Ye Liu, Xiaofeng Li, Hong Shan. Gastroenterology 2020
Fei Xiao, Meiwen Tang, Xiaobin Zheng, Ye Liu, Xiaofeng Li, Hong Shan. Gastroenterology 2020
4
4
Large-Vessel Stroke as a Presenting Feature of Covid-19 in the Young.
Thomas J Oxley, J Mocco, Shahram Majidi, Christopher P Kellner, Hazem Shoirah, I Paul Singh, Reade A De Leacy, Tomoyoshi Shigematsu, Travis R Ladner, Kurt A Yaeger,[...]. N Engl J Med 2020
Thomas J Oxley, J Mocco, Shahram Majidi, Christopher P Kellner, Hazem Shoirah, I Paul Singh, Reade A De Leacy, Tomoyoshi Shigematsu, Travis R Ladner, Kurt A Yaeger,[...]. N Engl J Med 2020
4
Pathogenic human coronavirus infections: causes and consequences of cytokine storm and immunopathology.
Rudragouda Channappanavar, Stanley Perlman. Semin Immunopathol 2017
Rudragouda Channappanavar, Stanley Perlman. Semin Immunopathol 2017
4
Predictors of mortality for patients with COVID-19 pneumonia caused by SARS-CoV-2: a prospective cohort study.
Rong-Hui Du, Li-Rong Liang, Cheng-Qing Yang, Wen Wang, Tan-Ze Cao, Ming Li, Guang-Yun Guo, Juan Du, Chun-Lan Zheng, Qi Zhu,[...]. Eur Respir J 2020
Rong-Hui Du, Li-Rong Liang, Cheng-Qing Yang, Wen Wang, Tan-Ze Cao, Ming Li, Guang-Yun Guo, Juan Du, Chun-Lan Zheng, Qi Zhu,[...]. Eur Respir J 2020
4
Factors associated with COVID-19-related death using OpenSAFELY.
Elizabeth J Williamson, Alex J Walker, Krishnan Bhaskaran, Seb Bacon, Chris Bates, Caroline E Morton, Helen J Curtis, Amir Mehrkar, David Evans, Peter Inglesby,[...]. Nature 2020
Elizabeth J Williamson, Alex J Walker, Krishnan Bhaskaran, Seb Bacon, Chris Bates, Caroline E Morton, Helen J Curtis, Amir Mehrkar, David Evans, Peter Inglesby,[...]. Nature 2020
4
COVID-19 and Asthma: Reflection During the Pandemic.
Shuang Liu, Yuxiang Zhi, Sun Ying. Clin Rev Allergy Immunol 2020
Shuang Liu, Yuxiang Zhi, Sun Ying. Clin Rev Allergy Immunol 2020
5
D-dimer levels on admission to predict in-hospital mortality in patients with Covid-19.
Litao Zhang, Xinsheng Yan, Qingkun Fan, Haiyan Liu, Xintian Liu, Zejin Liu, Zhenlu Zhang. J Thromb Haemost 2020
Litao Zhang, Xinsheng Yan, Qingkun Fan, Haiyan Liu, Xintian Liu, Zejin Liu, Zhenlu Zhang. J Thromb Haemost 2020
4
Acute respiratory distress syndrome: the Berlin Definition.
V Marco Ranieri, Gordon D Rubenfeld, B Taylor Thompson, Niall D Ferguson, Ellen Caldwell, Eddy Fan, Luigi Camporota, Arthur S Slutsky. JAMA 2012
V Marco Ranieri, Gordon D Rubenfeld, B Taylor Thompson, Niall D Ferguson, Ellen Caldwell, Eddy Fan, Luigi Camporota, Arthur S Slutsky. JAMA 2012
4
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.