Effectiveness of community health agents' actions in situations of social vulnerability - Zanchetta, Margareth S.; Vander Voet, Susan McCrae; Galhego-Garcia, Wilson [UNESP]; Smolentzov, Vera Maria N. [UNESP]; Talbot, Yves; Riutort, Monica; Galhego, Amine Maria M. F.; de Souza, Thiago J. [UNESP]; Caldas, Rodrigo S. [UNESP]; Costa, Edwaldo [UNESP]; Kamikihara, Marcia M.; Smolentzov, Sergio (Oxford University Press, 2009)