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Nigg, Claudio R.; Prochaska, Jodi; Noar, Seth M.; Hall, Kara L.; Allegrante, John P.; Prochaska, James O. (2008). Conceptualizing Multiple Health Behavior Change. Annals of behavioral medicine, 35(Suppl. 1), S5-S5. Springer
Nigg, Claudio R; Allegrante, John P.; Ory, Marcia (2002). Theory-comparison and multiple-behavior research: common themes advancing health behavior research. Health education research, 17(5), pp. 670-679. Oxford University Press 10.1093/her/17.5.670
