Urinary trypsin inhibitor levels are reduced in cerebrospinal fluid of multiple sclerosis and neuromyelitis optica patients during relapse. Shu Y, Li R, Yang Y, Dai Y, Qiu W, Chen Y, Zhao Z, Lu Z, Hu X Neurochem Int. 2014 Dec 30. PMID: 25555815. Abstract CommentRecommendBookmarkWatch