Predictive value of questionnaires: what is it and why is it important to know?
Validez predictiva de los cuestionarios: ¿qué es y por qué es importante su conocimiento?
Javier Soto Álvarez
Departamento de Investigación de Resultados en Salud, Unidad Médica, Pfizer España, Alcobendas, Madrid, Spain
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