The New England journal of medicine
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Comment Letter
ICU-acquired weakness and recovery from critical illness.
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Randomized Controlled Trial Multicenter Study Comparative Study
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
Clomiphene is the current first-line infertility treatment in women with the polycystic ovary syndrome, but aromatase inhibitors, including letrozole, might result in better pregnancy outcomes. ⋯ As compared with clomiphene, letrozole was associated with higher live-birth and ovulation rates among infertile women with the polycystic ovary syndrome. (Funded by the Eunice Kennedy Shriver National Institute of Child Health and Human Development and others; ClinicalTrials.gov number, NCT00719186.).