title: [Heterogeneity of complement split fragments; C3d].
mesh_terms: D003176:Complement C3 / Q000032:analysis*; D015933:Complement C3d; D003378:Counterimmunoelectrophoresis; D004586:Electrophoresis; D006801:Humans
chemical_list: D003176:Complement C3; D015933:Complement C3d