Ultrasosography in obstetrics and gynecology 
Edited by Peter W. Callen 
 - 3rd ed. 
 - Philadelphia  W. B. Saunders  1994 
 - 755 p. : ill. ; 29 cm. 
<br/><br/><label>ISBN: </label>0721667120 
<br/><br/><label>LCCN: </label>93-6621 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fetal diseases--Diagnosis<br/>Fetal monitoring<br/>Genital diseases, Female--Diagnosis<br/>Obstetrics<br/>Ultrasonography