Yoon Jung, Jae, Hyuck Hoon Kwon, Jong Soo Hong, Ji Young Yoon, Mi Sun Park, Mi Young Jang, and Dae Hun Suh. “Effect of Dietary Supplementation With Omega-3 Fatty Acid and Gamma-Linolenic Acid on Acne Vulgaris: A Randomised, Double-Blind, Controlled Trial”. Acta Dermato-Venereologica 94, no. 5 (January 29, 2014): 521–525. Accessed April 24, 2024. https://medicaljournalssweden.se/actadv/article/view/6412.