Perriera Lisa K, Greenfield Marjorie
Department of Obstetrics and Gynecology, MacDonald Women’s Hospital, University Hospitals, Case Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA.
J Pediatr Adolesc Gynecol. 2012 Feb;25(1):79-81. doi: 10.1016/j.jpag.2011.07.001.