Insights gained from a negative trial of steroid blocks for perineal pain.
Department of Obstetrics and Gynecology, NorthShore University HealthSystem, Evanston, IL, USA.|Department of Obstetrics and Gynecology, University of Chicago Pritzker School of Medicine, Chicago, IL, USA.
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D004841:Episiotomy; D006801:Humans; D017699:Pelvic Pain; D010502:Perineum