Distribution of hemoglobin phenotypes in four different districts of Porto Velho, Rondônia, Brazil - Andrade-Casseb, A.; Krauze, A.; Lafontaine, R. M.; Tada, M. S.; Silva Júnior, Wilson Araújo da; Simões, Aguinaldo Luiz; Engracia, V. (Human Biology(Detroit): the international journal of population biology, 2008)