TI - Quickstats: Percentage of hospitalizations, by expected payment source and hospital locality—national hospital discharge survey, united states, 2009 PT - JOUR DP - 2012 TA - JAMA pages = {129}, VI - 308 IP - 2 AID - [doi] 4100 - http://dx.doi.org/ SO - JAMA July 11, 2012 308(2):129