You may be surprised to know that mammography is the only radiologic study that's regulated by federal law, and the law requires that the equivalent of a 40-pound car battery come down on your breast during this study.
Potser us sorprendrà saber que la mamografia és l'únic estudi radiològic regulat per la llei federal. La llei requereix que durant l'estudi caigui sobre el pit el pes equivalent a una bateria de coche de 18 kilos.