Directory of on-going research in smoking and health.   

 - 3rd ed. 
 - Rockville :   U.S. Public Health Service, National Clearinghouse fo r Smoking and Health ,   1970. 
 - v. 294 p. :    ill. 
 - U. S. Public Health Service. Publication,   no. 1665 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tobacco --physiological effect -- research--research------<br/>Smoking--research--research------
<br/><br/><label>National Library of Medicine Call No.: </label>QV 137   /  H431d 1970