biostudies-literatureUnknown12(4)Chapman STobacco control341https://www.ebi.ac.uk/biostudies/studies/S-EPMC1747802biostudies-literatureHarm reduction.PMC1747802Chapman SfalseHarm reduction.2003-01-01T00:00:00Z2003 Dec2025-04-18T15:16:25.284Z2025-04-07T01:51:49.432ZS-EPMC17478021466075310.1136/tc.12.4.341