Proportional cancer incidence according to selected sites - comparison between residents in the city of Sao Paulo, Brasil: japanese and brazilian / portuguese descent - Souza, José Maria Pacheco de; Gotlieb, Sabina Léa Davidson; Costa Junior, Moacyr Lobo da; Laurenti, Ruy; Mirra, A. P.; Tsugane, S.; Watanabe, S. (Revista de Saude Publica, 1991)