TOVSTOLYTKINA, N. Vitamin D — is everything as simple as it seems?. INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine), [S. l.], v. 15, n. 4, p. 334–338, 2019. DOI: 10.22141/2224-0721.15.4.2019.174821. Disponível em: http://iej.zaslavsky.com.ua/article/view/174821. Acesso em: 8 dec. 2021.