ADJEI, G. O.; SULLEY, A. M. Clinical trials in Ghana: evolution and current landscape. International Journal of Clinical Trials, [S. l.], v. 1, n. 3, p. 78–86, 2015. DOI: 10.5455/2349-3259.ijct20141101. Disponível em: https://www.ijclinicaltrials.com/index.php/ijct/article/view/58. Acesso em: 25 dec. 2025.