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- [7] 50 YEARS OF OCCUPATIONAL-HEALTH IN THE PUBLIC-HEALTH-SERVICE AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH, 1964, 54 (11): : 1921 - 1922
- [10] CHANGES IN PUBLIC-HEALTH IN LONDON IN THE PAST 50 YEARS ROYAL SOCIETY OF HEALTH JOURNAL, 1981, 101 (06): : 245 - 260