title: Prevalence of deficits of complement components in patients with recurrent meningococcal infections.
mesh_terms: D000328:Adult; D002648:Child; D003176:Complement C3 / Q000172:deficiency; D003185:Complement C8 / Q000172:deficiency; D003165:Complement System Proteins / Q000172:deficiency*; D006801:Humans; D008589:Meningococcal Infections / Q000276:immunology*; D008875:Middle Aged; D012008:Recurrence
chemical_list: D003176:Complement C3; D003185:Complement C8; D003165:Complement System Proteins