W. H. Curioso, H. Roman, J. Perez-Lu, J. M. Castagnetto, and P. J. García, “Improving maternal health information systems: validation of electronic medical records in Callao, Peru”, Rev Peru Med Exp Salud Publica, vol. 27, no. 3, Sep. 2010, doi: 10.17843/rpmesp.2010.273.1516.