<style face="normal" font="default" size="100%">Effects of estroprogestins containing natural estrogen on vaginal flora.</style>

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<style face="normal" font="default" size="100%">Effects of estroprogestins containing natural estrogen on vaginal flora.</style>

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17

<style face="normal" font="default" size="100%">The effects of uterine fundal pressure (Kristeller maneuver) on pelvic floor function after vaginal delivery.</style>