Linares Bravo, B. C., Nazar Beutelspacher, A., Sánchez Ramírez, G., Zapata Martelo, E. and Salvatierra Izaba, B. (2017) “Study on hierarchies and networks in health policy for elderly people in Mexico”, Población y Salud en Mesoamérica, 15(1). doi: 10.15517/psm.v15i1.26413.