1.
Jung EY, Hong YH. Oral intake of porcine placental extract improves skin hydration and wrinkles in a double-blind placebo-controlled clinical study: Porcine placental extract improves skin hydration and wrinkles. Progr Nutr [Internet]. 2023 Mar. 21 [cited 2024 Nov. 28];25(1):e2023007. Available from: https://mattioli1885journals.com/index.php/progressinnutrition/article/view/12028