EMERGING TRENDS IN PUBLIC HEALTH SERVICES.
D002170:Canada; D004470:Economics, Medical; D006281:Health Occupations; D006801:Humans; D011635:Public Health Administration; D011637:Public Health Nursing; D012947:Social Work; D014481:United States; D014492:United States Public Health Service
CANADA; ECONOMICS, MEDICAL; HEALTH OCCUPATIONS; PUBLIC HEALTH ADMINISTRATION; PUBLIC HEALTH NURSING; SOCIAL SERVICE