title: A geographic analysis of counties without an active non-Federal physician, United States, 1963-71.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000704:Analysis of Variance; D005006:Ethnicity; D005260:Female; D005298:Fertility; D006123:Group Practice; D006268:Health Facilities; D006801:Humans; D007182:Income; D007325:Institutional Practice; D008297:Male; D008875:Middle Aged; D010820:Physicians / Q000600:supply & distribution*; D011156:Population Density; D011203:Poverty; D012424:Rural Population; D012577:Schools, Medical; D012959:Socioeconomic Factors; D014481:United States; D014505:Urban Population