Pandya, Munjal J., Parul J. Kotdawala, and Janki M. Pandya. 2017. “Study of Duration of Gestation in 500 Patients With Spontaneous Onset of Labor”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6 (12):5469-71. https://doi.org/10.18203/2320-1770.ijrcog20175262.