1. Social Security. Immunisation against infectious disease;Department of Health and,1988
2. Social Security. Immunisation against infectious disease;Department of Health and,1984
3. Immunisation against infectious disease;of Health, Department,1990
4. The efficacy of DPT and oral poliomyelitis immunisation schedules initiated from birth to 12 weeks of age;Halsey, N.; Galazka, A.;Bull World Health Organ,1985
5. Combtned immunisation against diphtheria, tetanus and pertussis in newborn infants. III. Relationship of age to antibody production;PA, Di Sant Agnese;Pediatrics,1949