title: [Serum complement levels in ulcerative colitis].
mesh_terms: D000936:Antigen-Antibody Complex; D003093:Colitis, Ulcerative / Q000276:immunology*; D003176:Complement C3 / Q000032:analysis*; D003181:Complement C4 / Q000032:analysis*; D006801:Humans
chemical_list: D000936:Antigen-Antibody Complex; D003176:Complement C3; D003181:Complement C4
vernacular_title: Niveles de complemento sérico en la colitis ulcerosa.