Primary pulmonary hypertension, report on WHO meeding  edited by Shuichi Hatano. 

 - 17 October, 1973) 
 - Geneva  World Health Organization  1975 
 - 45p., ill. 27cm. 
<br/><br/><label>ISBN: </label>92-4-156044-4. 
<br/><br/><label>Dewey Class. No.: </label>616.249,  / H41P