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Bernard, Paquito; Romain, Ahmed-Jérôme; Trouillet, Raphael; Gernigon, Christophe; Nigg, Claudio; Ninot, Gregory (2014). Validation of the TTM Processes of Change Measure for Physical Activity in an Adult French Sample. International journal of behavioral medicine, 21(2), pp. 402-410. Springer 10.1007/s12529-013-9292-3
