Schams, H. Bretacher, J. Ultrasonorgraphic diagnois in obs-tetrics and gynecology - New York Springer-Verlag 1975 Subjects--Uniform Titles: ultraasonics in obstetrics Ultraasonics InobstetricsDiagnosisUltrasnoicUltraasonics in Obstetrics Dewey Class. No.: 618.0754 / S18U