The Stimulatory Effect of Porcine Placenta Extract on in Vitro Biological Activities of Keratinocytes and Fibroblasts . Trop J Nat Prod Res [Internet]. 2025 Sep. 30 [cited 2025 Dec. 30];9(9):4353 – 4360. Available from: https://tjnpr.org/index.php/home/article/view/7368