TY - JOUR T1 - Quickstats: Percentage of hospitalizations, by expected payment source and hospital locality—national hospital discharge survey, united states, 2009 Y1 - 2012/07/11 N1 - JO - JAMA SP - 129 EP - 129 VL - 308 IS - 2 N2 - SN - 0098-7484 M3 - doi: UR - http://dx.doi.org/ ER -