Ultrasonic Visualization of a Dilated Cervix During Pregnancy
SARTI, DENNIS A., SAMPLE, WILLIAM F., HOBEL, CALVIN J., STAISCH, KLAUS J.Volume:
34
Journal:
Obstetrical & Gynecological Survey
DOI:
10.1097/00006254-197909000-00004
Date:
September, 1979
File:
PDF, 211 KB
1979