Hi: We need this article: Choi FD, Sung CT, Juhasz ML, Mesinkovsk NA. Oral Collagen Supplementation: A Systematic Review of Dermatological Applications. J Drugs Dermatol. 2019 Jan 1; 18 (1): 9-16. PubMed PMID: 30681787. Thanks in advance. Regards, ■ ■ Lic. Gabriela González Jefa de Biblioteca (Head librarian) Sindicato Médico del Uruguay (Civil society non-profit) Tel: 2401.4701 (int. 121) [ http://www.smu.org.xn--uy-51t/ | http://www.bvssmu.org.uy/wp/ ]