title: Non-tuberculous mycobacteria in gastrointestinal biopsy specimens.
mesh_terms: D001706:Biopsy; D003424:Crohn Disease / Q000382:microbiology / Q000473:pathology; D005767:Gastrointestinal Diseases / Q000382:microbiology* / Q000473:pathology; D006801:Humans; D009161:Mycobacterium / Q000302:isolation & purification*