Primary pulmonary hypertension / 
Edited by Shuichi Hatano and Toma Strasser. 
 - Geneva :  World Health Organization,  1975 
 - 45 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9241560444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pulmonary hypertension--Congresses.