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Risk factors for preterm births in São Luís, Maranhão, Brazil

Vânia Maria de Farias Aragão1, Antônio Augusto Moura da Silva, Lívia Farias de Aragão

  • 1Departamento de Medicina, Universidade Federal do Maranhão, São Luís, MA, Brasil. pedro.aragao@elo.com.br

Cadernos De Saude Publica
|March 19, 2004
PubMed

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