Coura-Filho, P [Environmental and social determinants in schistosomiasis mansoni in Ravena, Minas Gerais, Brazil]. [electronic resource] - Cadernos de saude publica - 254-65 p. digital Publication Type: English Abstract; Journal Article ISSN: 0102-311X Standard No.: 10.1590/s0102-311x1995000200009 doi