A Comparative Study of Clinical Trial Recruitment Strategies: Pre-COVID-19 vs. COVID-19 Era. International Journal of Scientific Research in Science and Technology, [S. l.], v. 12, n. 3, p. 1007–1011, 2025. DOI: 10.32628/IJSRST25123110. Disponível em: https://mail.ijsrst.com/index.php/home/article/view/IJSRST25123110. Acesso em: 10 aug. 2025.