Crofton, John Wenman,  1912- <br/><br/>
Respiratory diseases / 
by John Crofton and Andrew Douglas. 
 - 2nd ed. 
 - Oxford :  Blackwell Scientific Publications,  1975. 
 - xv, 776 p. :  ill. ;  25 cm. 
<br/><br/> Distributed by Lippincott, Philadelphia. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0632002212 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Respiratory organs--Diseases.