MANANDHAR, BI; SHARMA, J; GURUNG, CK. 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://www.nepjol.info/index.php/JIOM/article/view/593. Acesso em: 6 dec. 2025.