Amin, K. V., P. Nadkarni, P. N. Singh, and P. Singh. “Serum Progesterone Levels on the Day of HCG Trigger and ICSI Outcome: A Retrospective Observational Cohort Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 7, no. 8, July 2018, pp. 3194-8, doi:10.18203/2320-1770.ijrcog20183316.