Media type: E-Article Title: Salud y envejecimiento en el siglo XX Contributor: Ham Chande, Roberto; Gutiérrez Robledo, Luis Miguel imprint: FapUNIFESP (SciELO), 2007 Published in: Salud Pública de México Language: English DOI: 10.1590/s0036-36342007001000001 ISSN: 0036-3634 Keywords: Public Health, Environmental and Occupational Health Origination: Footnote: Access State: Open Access