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Objective: To determine whether overexpression of CYP17 or CYP11A messenger (m)RNA in theca cells from polycystic ovaries is related to polymorphic regions in the gene promoters that may increase transcription.Design: Case-control study.Setting: Research institute.Patient(s): Fifty-one women with PCOS and 280 regularly cycling controls underwent genotyping. Thecal cells were obtained from 23 women...