Acip.Diphtheria, tetanus, and pertussis guidelines for vaccine prophylaxis and other preventive measures . MMWR1981;30:392-6, 401-7; 1981;420. (2) Cdc.Pertussis—United States, 1982 and 1983MMWR1984;33:573-5. (3) Brown GC, Volk VK, Gottshall RY, et al. Responses of infants to DTP-P vaccine used in nine injection schedules. Public Health Rep1964;79:585-602. (4) Orenstein WA, Weisfeld JS, Halsey NADiphtheria and tetanus toxoids and pertussis vaccine, combined. In: Recent advances in immunization: a bibliographic review. Washington, D.C.: Pan American Health Organization , 1983:30-51. (Scientific publication no. 451).
