title: [Problem of overlapping of collagen diseases with other related diseases or autoimmune diseases--ulcerative colitis and Crohn's disease].
mesh_terms: D000293:Adolescent; D000328:Adult; D001168:Arthritis / Q000150:complications; D001323:Autoantibodies / Q000032:analysis; D003093:Colitis, Ulcerative / Q000150:complications* / Q000276:immunology; D003095:Collagen Diseases / Q000150:complications*; D003176:Complement C3 / Q000032:analysis; D003424:Crohn Disease / Q000150:complications* / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013577:Syndrome
chemical_list: D001323:Autoantibodies; D003176:Complement C3