Sampén Celis, J. D., Varela Pinedo, L. F., Díaz Vélez, C., Tello Rodríguez, T., & Ortiz Saavedra, P. J. (2012). Validation of Kogan’s attitudes towards old people scale and an assessment of primary care level personnel attitudes towards the elderly. ACTA MEDICA PERUANA, 29(3), 148-154. Retrieved from http://54.39.98.165/index.php/AMP/article/view/1205