Characteristics of registered studies for Coronavirus disease 2019 (COVID-19): A systematic review

por Yang, Ming, Shang, Ya-xi, Tian, Zi-yu, Xiong, Min, Lu, Chun-li, Jiang, Yue, Zhang, Yao, Zhang, Ying-ying, Jin, Xin-yan, Jin, Qiu-bai, Zhang, Ying, Willcox, Merlin L., Liu, Jian-ping
Publicado 2020