SINGH, R. K.; ANNE, S.; P., S. R. Changing trends of blood transfusion requirement in obstetrics and gynaecology. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 5, p. 2018–2022, 2018. DOI: 10.18203/2320-1770.ijrcog20181949. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/4584. Acesso em: 25 oct. 2025.