共 52 条
[1]
[Anonymous], 2010, 2010 census urban and rural classification and urban area criteria
[2]
[Anonymous], 2002, MED NEV NEV LAND 10
[3]
[Anonymous], 1995, Journal of the American Medical Association, V274, P1591, DOI DOI 10.1001/JAMA.1995.03530200027032
[7]
Brink P.J., 1989, ADV DESIGN NURSING R
[9]
Business Oregon, 2009, DISTR AR OR 2009 TEM