@inbook{NBERc7133,
 Crossref = "NBERwise85-1",
 title = "Social Security, Health Status, and Retirement",
 author = "Jerry A. Hausman and David A. Wise",
 BookTitle = "Pensions, Labor, and Individual Choice",
 Publisher = "University of Chicago Press",
 pages = "159-192",
 year = "1985",
 URL = "http://www.nber.org/chapters/c7133",
}
@book{NBERwise85-1,
 title = "Pensions, Labor, and Individual Choice",
 author = "David A. Wise",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1985",
 URL = "http://www.nber.org/books/wise85-1",
}