A randomized double-blind comparison of the effects of clomiphene citrate and the aromatase inhibitor letrozole on ovulatory function in normal women.
Fertil Steril. 2002 Aug;78(2):280-5. doi: 10.1016/s0015-0282(02)03241-7.
Fertil Steril. 2002.
PMID: 12137863
Clinical Trial.