For further information regarding Quarterly Services, visit the source website at http://www.census.gov/services/
Source: US. Bureau of the Census
Release: Quarterly Services Survey
US. Bureau of the Census, Total Inpatient Days for General Medical and Surgical Hospitals, All Establishments [INPAT6221ALLEST176QNSA], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/INPAT6221ALLEST176QNSA/, August 5, 2015.