Vyas, V., and A. Purohit. “CONTRACEPTIVE EFFECT OF NEEM SEED OIL AND ITS ACTIVE FRACTIONS ON FEMALE ALBINO RABBITS”. Asian Journal of Pharmaceutical and Clinical Research, vol. 11, no. 12, Dec. 2018, pp. 421-4, doi:10.22159/ajpcr.2018.v11i12.28188.