Obstetric ultrasound /    
James P. Neilson. 
 - Oxford  :   Oxford University Press,   1993. 
 - v. :    ill., ports.;    28 cm. 
 - Oxford medical publications.   .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrasonography, Prenatal --Periodicals.------
<br/><br/><label>National Library of Medicine Call No.: </label>WN 208   /  Ob7 1993