https://pmc.ncbi.nlm.nih.gov/articles/PMC9810010/
Retrospective analysis: The application of human menopausal gonadotropin combined with letrozole...
To compare the effects of human menopausal gonadotropin (HMG) combined with letrozole (LE) to HMG only for ovarian stimulation on pregnancy outcome of...
human menopausal gonadotropinthe applicationretrospectiveanalysis