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ISSN:1945-7359|25|3|252-259

PNG Publications‎(2001)‎

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By Graham Dan   Linde Jennifer   Cousins Julie   Jeffery Robert   in The Journal of Primary Prevention

ISSN:0278-095X|34|6|413-422

Springer Publishing Company ‎(2013)‎

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By Fuglestad Paul T.   Rothman Alexander J.   Jeffery Robert W.   Sherwood Nancy E.   in American Journal of Health Behavior

ISSN:1945-7359|39|5|709-720

PNG Publications‎(2015)‎

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