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¿Preguntas sobre el cáncer?
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1-800-422-6237
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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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| Microscopio (dispositivo usado para agrandar objetos pequeños) en el que los objetos se iluminan en un ángulo muy bajo desde el costado para que el fondo aparezca oscuro y los objetos se vean con más claridad contra ese fondo oscuro. |
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