Sweeney, I <br/><br/>
Posterior urethral obstruction caused by congenital posterior urethral valve; prenatal and postnatal ultrasound diagnosis.  [electronic resource] 

 -  New York state journal of medicine  Jan 1981 
 - 87-9 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0028-7628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Female<br/>Humans<br/>Infant, Newborn<br/>Male<br/>Pregnancy<br/>Prenatal Diagnosis<br/>Ultrasonography<br/>Urethra--abnormalities<br/>Urethral Obstruction--diagnosis