title: Positive affect in elderly Mexicans and its protective role against disability.
authors.forename: Julio Alberto
authors.initials: JA
authors.lastname: Díaz-Ramos
authors.forename: Ana Patricia
authors.initials: AP
authors.lastname: Navarrete-Reyes
authors.forename: José Alberto
authors.initials: JA
authors.lastname: Ávila-Funes
mesh_terms: D000203:Activities of Daily Living; D000339:Affect; D000368:Aged; D000369:Aged, 80 and over; D006233:Persons with Disabilities / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008800:Mexico