Oprea, L. et al. (2013) „The Chronic Care Model (CCM) and the Social Gradient in Health”, Revista de Cercetare si Interventie Sociala, 41, pp. 176–189. Disponibil la: https://www.rcis.ro/journal/article/view/974-the-chronic-care-model-ccm-and-the-social-gradient-in-health (Data accesării: 8 noiembrie 2026).