title: Clinical and immunological studies on children undergoing tonsillectomy for repeated sore throats.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006193:Haemophilus influenzae / Q000302:isolation & purification; D006801:Humans; D007070:Immunoglobulin A; D007073:Immunoglobulin E; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D014066:Palatine Tonsil / Q000382:microbiology; D010400:Penicillin G / Q000627:therapeutic use; D010612:Pharyngitis / Q000517:prevention & control / Q000601:surgery*; D012463:Saliva / Q000276:immunology; D014068:Tonsillectomy; D014069:Tonsillitis / Q000276:immunology / Q000517:prevention & control / Q000601:surgery*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007073:Immunoglobulin E; D010400:Penicillin G