Valencia-Monsalvez F, Mendoza-Parra S, Luengo-Machuca L. Evaluation of Morisky Medication adherence scale (MMAS-8) in older adults of a primary health care center in Chile. Rev Peru Med Exp Salud Publica. 2017;34(2):245-9. doi:10.17843/rpmesp.2017.342.2206