Health aspects castors bean dust / 
by Edwin M. Apen ... [et al.] 
 - Cincinnati :  United States Government Printing Office,  1967 
 - iii, 132 p. ;  15 cm. 
<br/><br/> 999AP-36 
<br/><br/>Review and bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical care--Social aspects--Finance--United States<br/>Delivery of Health Care--United States<br/>Medical care, Cost of--United States--Statistics<br/>Economics, Medical--trends--Statistics
<br/><br/><label>Dewey Class. No.: </label>362.10973