[Vitamin B 12 and xylose load in urticaria].
D006801:Humans; D007408:Intestinal Absorption; D007410:Intestinal Diseases / Q000175:diagnosis* / Q000209:etiology; D007421:Intestine, Small; D014581:Urticaria / Q000150:complications* / Q000175:diagnosis; D014805:Vitamin B 12; D014994:Xylose
D014994:Xylose; D014805:Vitamin B 12
Vitamin-B12- und Xylosebelastung bei der Urtikaria.