The challenge of meta-analysis and the need to register clinical trials.
Daya
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D002986:Clinical Trials as Topic; D005260:Female; D005307:Fertilization in Vitro; D005640:Follicle Stimulating Hormone / Q000627:therapeutic use; D006801:Humans; D008596:Menotropins / Q000627:therapeutic use; D015201:Meta-Analysis as Topic; D011085:Polycystic Ovary Syndrome / Q000628:therapy; D011247:Pregnancy; D018873:Pregnancy Rate
D008596:Menotropins; D005640:Follicle Stimulating Hormone