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¿Preguntas sobre el cáncer?
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1-800-422-6237
(1-800-4-CANCER)
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Llame de lunes a viernes de 9:00 a.m. a 4:30 p.m., hora local en Estados Unidos y sus territorios. |
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| Cuando se refiere a un experimento o estudio clínico, es el proceso mediante el que se asigna al azar a distintos grupos, a los sujetos animales o humanos para comparar distintos tratamientos u otras intervenciones. La distribución al azar le da a cada participante la misma probabilidad de ser asignado a cualquiera de los grupos. |
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