Activation of complement in relation to disease.
D003167:Complement Activation; D003176:Complement C3 / Q000032:analysis; D003181:Complement C4 / Q000032:analysis; D003170:Complement Pathway, Alternative; D003171:Complement Pathway, Classical; D003165:Complement System Proteins / Q000032:analysis; D006801:Humans
D003176:Complement C3; D003181:Complement C4; D003165:Complement System Proteins