PATEL, Purvi K; PITRE, Dipa S; BHOOKER, Suman P. Predictive Value of Various Risk Factors for Preterm Labor. National Journal of Community Medicine, [S. l.], v. 6, n. 01, p. 121–125, 2015. Disponível em: https://njcmindia.com/index.php/file/article/view/1144. Acesso em: 8 aug. 2025.