Mellali, S., Haoud, K., Bouguetaia, mohammed el amin, & Diaf, M. (2020). Statistical Retrospective Analysis of Spontaneous Abortions in Sidi Bel Abbes Region. Journal of Drug Delivery and Therapeutics, 10(3), 202-206. https://doi.org/10.22270/jddt.v10i3.4107