Barbera, A F <br/><br/>
Re: a question of angle of view.  [electronic resource] 

 -  Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology  Dec 2009 
 - 735 p.  digital 
<br/><br/> Publication Type: Journal Article; Comment 
<br/><br/><label>ISSN: </label>1469-0705 
<br/><br/><label>Standard No.: </label>10.1002/uog.7475  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Head--diagnostic imaging<br/>Humans<br/>Labor, Obstetric--physiology<br/>Pregnancy<br/>Ultrasonography