Less harmful ways of smoking :  a workshop of the second world conference on smoking and health held in London, England Sept. 20-24, 1971. 

 - [Washington, D.C.,  1972] 
 - v. 
<br/><br/> [Reprinted from the Journal of the NCI, v. 48, no.6, June 1972].  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smoking--Health aspects--Congresses.
<br/><br/><label>Gov. Doc. Class. No.: </label>HE 20.3161/A:SM 75