KOPJAR, V. Clinical trial perceptions and knowledge: the results of three surveys administered to U.S. physicians, surgeons, nurses, clinic administrators and clinical research industry professionals. International Journal of Clinical Trials, [S. l.], v. 9, n. 1, p. 1–9, 2022. DOI: 10.18203/2349-3259.ijct20220107. Disponível em: https://www.ijclinicaltrials.com/index.php/ijct/article/view/563. Acesso em: 17 mar. 2025.