Vallano A, Mendoza G, Rodríguez A, Rebordosa C. Seguridad de los analgesicos y de los antiinflamatorios. Farm Hosp. 2004;157:23-31.
Williams VSL, Wakeford ME. The predictive validity of the National Teacher Examinations for performance in teacher education programs. Educ Psychol Meas. 1993;53(2):533-9. doi: 10.1177/0013164493053002023