title: C3 complement components & their breakdown product (C3d) in patients of thromboangiitis obliterans.
mesh_terms: D000328:Adult; D003176:Complement C3 / Q000378:metabolism*; D015933:Complement C3d; D005734:Gangrene / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D013919:Thromboangiitis Obliterans / Q000150:complications / Q000276:immunology*
chemical_list: D003176:Complement C3; D015933:Complement C3d