B. E. Alvarado, Zunzunegui, M. - V., Beland, F., and Bamvita, J. - M.,
“Life course social and health conditions linked to frailty in Latin American older men and women”,
The Journals of Gerontology: Series A: Biological Sciences and Medical SciencesThe Journals of Gerontology: Series A: Biological Sciences and Medical Sciences, vol. 12, pp. 1399-1406, 2008.