The development of public health services in a rural county: 1838-1949.
D005227:Fatty Acids; D006801:Humans; D011634:Public Health; D011849:Radioactive Tracers; D011851:Radioactivity; D012424:Rural Population; D014481:United States; D014492:United States Public Health Service
D005227:Fatty Acids; D011849:Radioactive Tracers
FATTY ACIDS, RADIOACTIVE; PUBLIC HEALTH