Answers are grounded in this paper and cite their sources.
A decade later the number rose to 334,028, an increase of almost 75,000.During the same period the number of physicians per 100,000 population also increased from 141 to 159 (1).Despite these marked in- creases, the number of counties without a prac- ticing non-Federal physician grew from 98 in 1963 to 132 in 1970 (2).
No takes yet. Share an insight, caveat, or question.
M.Mullner et al. (1974) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: