R Denson. Show Affiliations »
Abstract
Mesh: See more » Age FactorsHealth EducationHumansSmokingSubstance-Related Disorders
Year: 1972 PMID: 5009031 PMCID: PMC1931350
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262