Soares, Diogo, Sofia Viamonte, Sandra Magalhães, Maria Miguel Ribeiro, Ana Barreira, Preza Fernandes, and Severo Torres. 2013. “What Factors Determine the Levels of Physical Activity After Cardiac Rehabilitation Program?”. Acta Médica Portuguesa 26 (6). Lisbon, Portugal:689-98. https://doi.org/10.20344/amp.1742.