title: [2 cases of chronic nephritis with reduction of early complement components].
mesh_terms: D000293:Adolescent; D002908:Chronic Disease; D003172:Complement C1 / Q000172:deficiency*; D003181:Complement C4 / Q000172:deficiency*; D003165:Complement System Proteins / Q000172:deficiency*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009393:Nephritis / Q000276:immunology*
chemical_list: D003172:Complement C1; D003181:Complement C4; D003165:Complement System Proteins