MANANDHAR, B.; SHARMA, J.; GURUNG, C. Spontaneous preterm delivery and risk factors at Tribhuvan University Teaching Hospital. Journal of Institute of Medicine Nepal, [S. l.], v. 28, n. 2, p. 19–23, 2007. Disponível em: https://nepjol.info/index.php/JIOM/article/view/593. Acesso em: 27 jul. 2024.