title: Genetic investigations in a northern Brazilian island. I. Population structure.
mesh_terms: D001723:Birth Rate; D001938:Brazil; D003241:Consanguinity; D005260:Female; D005298:Fertility; D005828:Genetics, Population; D006801:Humans; D009026:Mortality; D011247:Pregnancy; D014171:Transients and Migrants; D014427:Twins