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Matsuura T, West GA, Klein JS, Ferraris L, Fiocchi C.Matsuura T, et al. Among authors: klein js.Gastroenterology. 1992 Jun;102(6):2006-14. doi: 10.1016/0016-5085(92)90326-t.Gastroenterology. 1992.PMID: 1587419
Matsuura T, West GA, Youngman KR, Klein JS, Fiocchi C.Matsuura T, et al. Among authors: klein js.Gastroenterology. 1993 Feb;104(2):448-58. doi: 10.1016/0016-5085(93)90413-7.Gastroenterology. 1993.PMID: 8425687
Youngman KR, Simon PL, West GA, Cominelli F, Rachmilewitz D, Klein JS, Fiocchi C.Youngman KR, et al. Among authors: klein js.Gastroenterology. 1993 Mar;104(3):749-58. doi: 10.1016/0016-5085(93)91010-f.Gastroenterology. 1993.PMID: 8440434
West GA, Matsuura T, Levine AD, Klein JS, Fiocchi C.West GA, et al. Among authors: klein js.Gastroenterology. 1996 Jun;110(6):1683-95. doi: 10.1053/gast.1996.v110.pm8964392.Gastroenterology. 1996.PMID: 8964392
Strong SA, Pizarro TT, Klein JS, Cominelli F, Fiocchi C.Strong SA, et al. Among authors: klein js.Gastroenterology. 1998 Jun;114(6):1244-56. doi: 10.1016/s0016-5085(98)70431-7.Gastroenterology. 1998.PMID: 9609762
Metwali A, Blum AM, Ferraris L, Klein JS, Fiocchi C, Weinstock JV.Metwali A, et al. Among authors: klein js.J Neuroimmunol. 1994 Jun;52(1):69-78. doi: 10.1016/0165-5728(94)90164-3.J Neuroimmunol. 1994.PMID: 7515901
Fuss IJ, Neurath M, Boirivant M, Klein JS, de la Motte C, Strong SA, Fiocchi C, Strober W.Fuss IJ, et al. Among authors: klein js.J Immunol. 1996 Aug 1;157(3):1261-70.J Immunol. 1996.PMID: 8757634
Boirivant M, Fuss I, Fiocchi C, Klein JS, Strong SA, Strober W.Boirivant M, et al. Among authors: klein js.Proc Assoc Am Physicians. 1996 Jan;108(1):55-67.Proc Assoc Am Physicians. 1996.PMID: 8834065