International classification of procedures in medicine. Vol. 2 / 

 - Geneva:  WHO,  1978 
 - various pagings ;  24 cm. 
<br/><br/><label>ISBN: </label>9241541253 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs - Classification<br/>Medicine - Methods - Classification<br/>Radiology - Methods - Classification