So you suspect systemic lupus erythematosus: which test to perform?
D000936:Antigen-Antibody Complex / Q000032:analysis; D001323:Autoantibodies / Q000032:analysis; D001772:Blood Cell Count; D003176:Complement C3 / Q000032:analysis; D003181:Complement C4 / Q000032:analysis; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*
D000936:Antigen-Antibody Complex; D001323:Autoantibodies; D003176:Complement C3; D003181:Complement C4