Pirzer U,Schonhaar A,Fleischer B. Reactivity of infiltrating T lymphocytes with microbial antigens in Crohn's disease[J].The Lancet,1991,(8777):1238-1239.doi:10.1016/0140-6736(91)92104-A.Pirzer U, Scho¨nhaar A, Fleischer B, Hermann E & Meyer zum Bu¨schenfelde KH (1991): ...