[Clinical research XII. From the clinical judgment to the transversal design]

Juan O Talavera1, Rodolfo Rivas-Ruiz

  • 1Centro de Adiestramiento en Investigación Clínica, Coordinación de Investigación en Salud, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México. jotalaverap@uaemex.mx

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