![Serum C3 Levels Are Diagnostically More Sensitive and Specific for Systemic Lupus Erythematosus Activity Than Are Serum C4 Levels]()
Serum C3 Levels Are Diagnostically More Sensitive and Specific for Systemic Lupus Erythematosus Activity Than Are Serum C4 LevelsRicker, Denise M.; Hebert, Lee A.; Rohde, Richard; Sedmak, Daniel D.; Lewis, Edmund J.; Clough, John D. · American Journal of Kidney Diseases · 1991