Assessment of organizational and performance characteristics of basic health care units in the west district of Ribeirão Preto-SP - Pereira, Maria José Bistafa; Mishima, Silvana Martins; Almeida, Maria Cecília Puntel de; Santos, Claudia Benedita dos; Caccia-Bava, Maria do Carmo Guimarães; Domingos, Nélio Augusto Mesquita; Matumoto, Silvia; Fortuna, Cinira Magali (World Congress on Public Health, 2009)