Poliomyelitis : Papers and discussions presented at the first international poliomyelitis conference / 

 - Philadelphia:  J.B. Lippincott,  1949 
 - various paging:  ill. ;  26 cm 
<br/><br/> Acc. No. 00920 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Poliomyelitis-congresses