title: A note on serum complement activity with particular reference to ulcerative colitis.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D003093:Colitis, Ulcerative / Q000097:blood* / Q000276:immunology*; D003165:Complement System Proteins / Q000032:analysis*; D005260:Female; D005921:Glomerulonephritis / Q000276:immunology; D006801:Humans; D008297:Male
chemical_list: D003165:Complement System Proteins