SAMPSON, D A <br/><br/>
Radiology under Blue Shield and Blue Cross in Pennsylvania.  [electronic resource] 

 -  Pennsylvania medical journal (1928)  Sep 1957 
 - 1199-206 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-0667 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blue Cross Blue Shield Insurance Plans<br/>Humans<br/>Insurance, Health<br/>Pennsylvania<br/>Radiography<br/>Radiology