| Table of contents Rev Cub Sal Públ vol.49 no.1 La Habana Jan.-Mar. 2023 ARTÍCULO ESPECIAL | | | | · Socioeconomic inequalities and health of older adults in Peru: analysis of the Demographic and Family Health Survey, 2014 and 2019 López, Dany Victorio; Huajardo, Gonzalo; Canturin, Elvis; Gutiérrez Aguado, Alfonso
| | | Marketing for the commercialization of educational services. A challenge for international competitiveness Carreño Cuador, Jenry
| | | DEBATE | | | | · Disorders of the eyesight health caused by the computer vision syndrome in the XXI century Vallejo López, Alida Bella; Ramírez Amaya, Josefina Elizabeth
| | | COMUNICACIÓN BREVE | | | | · External Determinants of Blood Availability Sánchez Frenes, Pedro; Arocha Mariño, Carmen; Rojo Pérez, Nereida
| | | RESEARCH | | | | · Clinical and Epidemiological Characterization of COVID-19 Disease in Sandino Municipality, year 2020 Véliz Martínez, Pedro Luis; Fuentes Ledesma, Barbarita; Soto Rodríguez, Yaimara; Rodríguez Rojas, Madelaine
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