Xueqiong Zhu and Shi-Wen (Albert) Jiang Pages 218 - 221 ( 4 )
Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University Wenzhou, Zhejiang 325027 China., Department of Biomedical Science Mercer University School of Medicine Department of Obstetrics and Gynecology Memorial Health Hospital 4700 Waters Avenue Savannah, GA 31404-3089 USA.