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Scandinavian Journal of Gastroenterology|October 1, 1990
Gene and haplotype frequencies of HLA antigens in 269 patients with Crohn's diseaseJ Purrmann, J Bertrams, M Knapp, et al.
Zeitschrift Fur Gastroenterologie|July 1, 1989
Investigation of genetic markers in patients with Crohn's disease and ulcerative colitisJ Purrmann, J Bertrams, M Knapp, et al.
Zeitschrift Fur Gastroenterologie|December 1, 1987
[Role of Pseudomonas maltophilia and "Pseudomonas like bacteria group Va" in the etiology of Crohn disease]J Purrmann, M Stelzner, H Brunner, et al.
Zeitschrift Fur Gastroenterologie|August 1, 1985
[HLA haplotype study in familial Crohn disease]J Purrmann, S Korsten, J Bertrams, et al.
Klinische Wochenschrift|August 16, 1985
[Genetics of Crohn disease: study of the HLA association in 169 patients]S Korsten, J Purrmann, J Bertrams, et al.
Zeitschrift Fur Gastroenterologie|December 1, 1992
[DNA ploidy and dysplasia in ulcerative colitis--interim analysis of a prospective study]R Porschen, G Molsberger, C Reis, et al.
Hepato-Gastroenterology|June 1, 1986
Clinical features of inflammatory joint and spine manifestations in Crohn's diseaseH Münch, J Purrmann, H E Reis, et al.
Langenbecks Archiv Fur Chirurgie|November 15, 1976
[Internal aspects of diverticulosis (author's transl)]G Strohmeyer
Zeitschrift Fur Gastroenterologie|June 1, 1991
[Various genetic models in Crohn disease]J Purrmann, S Cleveland, K J Hengels
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