EPIDEMIOLOGICAL RESEARCH, 1960-1963.
D016021:Epidemiologic Studies; D004813:Epidemiology; D005457:Fluoridation; D005882:Gingival Diseases; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*; D009749:Nutrition Surveys; D010510:Periodontal Diseases; D012106:Research
EPIDEMIOLOGY; FLUORIDATION; NEOPLASM DIAGNOSIS; NUTRITION SURVEYS; PERIODONTAL DISEASES; RESEARCH; REVIEW