@inbook{NBERc9083,
 Crossref = "NBERsarg76-1",
 title = "Hospital Utilization: An Analysis of SMSA Differences in Occupancy Rates, Admission Rates, and Bed Rates",
 author = "Barry R. Chiswick",
 BookTitle = "Explorations in Economic Research, Volume 3, number 3",
 Publisher = "NBER",
 pages = "24-76",
 year = "1976",
 URL = "http://www.nber.org/chapters/c9083",
}
@book{NBERsarg76-1,
 title = "Explorations in Economic Research, Volume 3, number 3",
 author = "NBER",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1976",
 URL = "http://www.nber.org/books/sarg76-1",
}