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| publishing year | previous | first author | document title |
|---|---|---|---|
| 2019 | Revista Peruana de Ginecología y Obstetricia | Tutal Muñoz, Luis Miguel | Conditions of access to an antenatal care program in a primary health care center at Pasto City, Colombia |
| 2012 | Gaceta Sanitaria | Sanfélix-Gimeno, Gabriel | Characterization of folate supplementation in pregnancy, based on a combination of health information systems |