American College of Obstetricians and, Gynecologists (Feb 2014). “ACOG Practice Bulletin No.142: Cerclage for the management of cervical insufficiency.”. 《Obstetrics and gynecology》 123 (2 Pt 1): 372–9. doi:10.1097/01.AOG.0000443276.68274.cc. PMID24451674.
nih.gov
ncbi.nlm.nih.gov
American College of Obstetricians and, Gynecologists (Feb 2014). “ACOG Practice Bulletin No.142: Cerclage for the management of cervical insufficiency.”. 《Obstetrics and gynecology》 123 (2 Pt 1): 372–9. doi:10.1097/01.AOG.0000443276.68274.cc. PMID24451674.