NCHS urban-rural classification scheme for counties [[electronic resource] /] / Deborah D. Ingram and Sheila J. Franco
Pubbl/distr/stampa
Hyattsville, Md. : , : U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, , [2012]
Descrizione fisica
iii, 65 pages ; ; 28 cm
Collana
Vital and health statistics. Series 2, Data evaluation and methods research ; ; no. 154