机构:
STANFORD UNIV,SANTA CLARA VALLEY MED CTR,SCH MED,751 S BASCOM AVE,SAN JOSE,CA 95128STANFORD UNIV,SANTA CLARA VALLEY MED CTR,SCH MED,751 S BASCOM AVE,SAN JOSE,CA 95128
机构:Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, Fetal Diagnosis and Treatment Unit, University of Iowa College of Medicine, Iowa City, IA