title: [Activation mechanism and reaction process of the complement system--the classical pathway].
mesh_terms: D003167:Complement Activation; D003172:Complement C1 / Q000302:isolation & purification; D003173:Complement C1s / Q000378:metabolism; D003176:Complement C3 / Q000032:analysis; D003181:Complement C4 / Q000032:analysis; D003182:Complement C5 / Q000032:analysis; D003171:Complement Pathway, Classical
chemical_list: D003172:Complement C1; D003176:Complement C3; D003181:Complement C4; D003182:Complement C5; D003173:Complement C1s