Mendez, R. D. R., Rodrigues, R. C. M., Cornélio, M. E., Gallani, M. C. B. J., & Godin, G. (2010). Development of an instrument to measure psychosocial determinants of physical activity behavior among coronary heart disease patients. Revista Da Escola De Enfermagem Da USP, 44(3), 584-596. https://doi.org/10.1590/S0080-62342010000300006