Authors:
HERNANDEZHERNANDEZ DM
GARDUNOESPINOSA J
HERNANDEZSIERRA JF
FAJARDOGUTIERREZ A
MEJIAARANGURE JM
MARTINEZGARCIA MD
Citation: Dm. Hernandezhernandez et al., A CLASSIFICATION BY LEVELS OF CLINICAL EP IDEMIOLOGIC DESIGNS, Revista de Investigacion Clinica, 50(1), 1998, pp. 79-86