(1)
Sathian, B.; Asim, M.; Banerjee, I.; Pizarro, A. B.; Roy, B.; van Teijlingen, E. R.; Nascimento, I. J. B. do; Alhamad, H. K. Impact of COVID-19 on Clinical Trials and Clinical Research: A Systematic Review. Nepal J Epidemiology 2020, 10, 878-887.