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Hintergrund Die Inzidenz und Prävalenz von chronisch entzündlichen Darmerkrankungen (CED) steigen seit mehreren Jahrzehnten in den Industriestaaten kontinuierlich an; beide Krankheiten können zu extraintestinalen Manifestationen führen. Fragestellung Wie häufig treten Manifestationen an der Haut und den hautnahen Schleimhäuten beim Morbus Crohn (MC) und der Colitis ulcerosa (CU) auf, und sind diese...
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