Shubhada, Sunil Avachat, SV Kambale, and BD Phalke. 2013. “Determinants of Preterm Labour in a Rural Medical College Hospital in Western Maharashtra”. Nepal Journal of Obstetrics and Gynaecology 8 (1):31-33. https://www.nepjol.info/index.php/NJOG/article/view/8858.