1. Active Immunity Produced by So-Called Balanced or Neutral Mixtures of Diphtheria Toxin and Antitoxin;Smith;J Exp Med,1909
2. Diphtheria Immunisation in Young Babies: A Study of Some Factors Involved;Barr;Lancet,1950
3. Combined Immunization Against Diphtheria, Tetanus and Pertussis in Newborn Infants: II. Duration of Antibody Levels. Antibody Titers After Booster Dose. Effec;Di Sant'Agnese;Pediatrics,1949
4. Notes on the Production of Immunity to Diphtheria Toxin;Glenny;J Hyg,1921
5. Restoration of Activity of Neutralized Biologic Agents by Removal of the Antibody With Papain;Kalmanson;J Immun,1943