Prevalence of non-organ-specific autoantibodies in a rural community from northeastern Brazil: a population-based study - Cunha, Liliane M.; Bittencourt, Paulo L; Abrantes-Lemos, Clarice Pires; Moreira, Agnaluce; Almeida, Delvone; Paraná, Raymundo; Andrade, Zilton (Human immunology, 2012)