Singh A, Leishram G.
To Compare the Exogenous Human Chorionic Gonadotropin Trigger with Endogenous Leutinizing Hormone Surge in Ultrasound Monitored Cycles for Timing of Intrauterine Insemination in Women with Unexplained Infertility. 
Int J Infertil Fetal Med
2019;
10
(1):8-11.