PAHUJA, N.; CHAUHAN, N.; KALRA, V. Vitamin D levels in pregnant women in Uttarakhand, India. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 1, p. 169–172, 2017. DOI: 10.18203/2320-1770.ijrcog20175840. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/4171. Acesso em: 11 nov. 2025.