Chakrabartty, Sangita, et al. “Benefits of Oral Contraceptive Pill Pretreatment in Endometriosis for IVF ICSI-ET: A Retrospective Cohort Study”. International Current Pharmaceutical Journal, vol. 6, no. 8, Nov. 2017, pp. 49-52, doi:10.3329/icpj.v6i8.34497.