Callen, Peter Ultrasonography in Obstetrics and Gynecology \ Peter Callen - 5 - 1239 p. 1. Obtetric Ultrasound examination 2. Gynecologic ultrasound Inglés ISBN: 9781416032649 Subjects--Topical Terms: ULTRASONIDOSOSBTRETICIA Dewey Class. No.: 618.2 0753 C157