Polgar, George,  1919- <br/><br/>
Pulmonary function testing in children :  techniques and standards / 
George Polgar [and] Promadhat  Varuni 
 - Philadelphia :  Saunders W. B.,  1971 
 - ix, 273 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 21.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pulmonary function tests<br/>Pediatric respiratory diseases--Diagnosis
<br/><br/><label>Dewey Class. No.: </label>618.922075