Standardization of interpretation of chest radiographs for the diagnosis of pneumonia in children  World Health Organization pneumonia vaccine trial investigators' group 

 - Geneva  WHO  2001 
 - vii, 32p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RESPIRATORY ORGAN
<br/><br/><label>Universal Decimal Class. No.: </label>616.24-002  / S71