The Stimulatory Effect of Porcine Placenta Extract on in Vitro Biological Activities of Keratinocytes and Fibroblasts . Tropical Journal of Natural Product Research , [S. l.], v. 9, n. 9, p. 4353 – 4360, 2025. DOI: 10.26538/tjnpr/v9i9.34. Disponível em: https://tjnpr.org/index.php/home/article/view/7368. Acesso em: 29 dec. 2025.