title: Letter: C.I.E. in meningococcal infection.
mesh_terms: D000942:Antigens, Bacterial / Q000302:isolation & purification; D005260:Female; D006801:Humans; D007122:Immunoelectrophoresis; D007223:Infant; D008589:Meningococcal Infections / Q000175:diagnosis* / Q000276:immunology; D008875:Middle Aged; D011233:Precipitin Tests; D018805:Sepsis / Q000175:diagnosis* / Q000276:immunology
chemical_list: D000942:Antigens, Bacterial