State border crossing for Medicare hospital admissions.
Miller
M E
ME
Urban Institute, Washington, DC 20037.
Welch
W P
WP
D002391:Catchment Area, Health; D003710:Demography; D006801:Humans; D006278:Medicare / Q000706:statistics & numerical data*; D010343:Patient Admission / Q000706:statistics & numerical data*; D014195:Travel; D014481:United States