By McKenzie T.L.   Marshall S.J.   Sallis J.F.   Conway T.L.   in Preventive Medicine

ISSN:0091-7435|30|1|70-77

Academic Press‎(2000)‎

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By Zive M.M.   Elder J.P.   Prochaska J.J.   Conway T.L.   Pelletier R.L.   Marshall S.   Sallis J.F.   in Preventive Medicine

ISSN:0091-7435|35|4|376-382

Academic Press‎(2002)‎

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By Conway T.L.   Sallis J.F.   Pelletier R.L.   Powers H.S.   Marshall S.J.   Zive M.M.   Elder J.P.   in Preventive Medicine

ISSN:0091-7435|34|4|422-427

Academic Press‎(2002)‎

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