DINÇGEZ, Burcu; ÖZGEN, Gülten; ÖZGEN, Levent. Can first trimester vitamin D levels predict adverse maternal outcomes in patients who do not take vitamin D supplements?. The European Research Journal, [S. l.], v. 10, n. 5, p. 474–481, 2024. DOI: 10.18621/eurj.1509016. Disponível em: https://eurj.org.tr/article/view/944. Acesso em: 5 apr. 2026.