GADANI, M. C.; BADAK, S.; UPADHYAY, R. Anti-ageing effects of CollabZen™ in healthy human volunteers: a randomized, double blind, placebo-controlled study. International Journal of Clinical Trials, [S. l.], v. 11, n. 2, p. 109–116, 2024. DOI: 10.18203/2349-3259.ijct20240303. Disponível em: https://www.ijclinicaltrials.com/index.php/ijct/article/view/772. Acesso em: 19 may. 2025.