机译:Vaginal fetal fibronectin levels and spontaneous preterm birth in symptomatic women.
Department of Obstetrics and Gynecology, The University of Alabama at Birmingham, Birmingham, Alabama, USA. gclu;
su.edu;
Glycoproteins; Labor; Premature; Vagina; fetal fibronectin; 糖蛋白类; 分娩; 早产; 阴道;