2013 NCHS Urban-Rural Classification Scheme for Counties.

By D. D. Ingram, S. J. Franco. Vital and health statistics. Series 2, Data evaluation and methods research, 2014

1,291 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/fb8f597b9c6a048e8fff3262d3b97531e9196254