@inbook{NBERc3485,
 Crossref = "NBERgros72-1",
 title = "A STOCK APPROACH TO THE DEMAND FOR HEALTH",
 author = "Michael Grossman",
 BookTitle = "The Demand for Health: A Theoretical and Empirical Investigation",
 Publisher = "UMI",
 pages = "1-10",
 year = "1972",
 URL = "http://www.nber.org/chapters/c3485",
}
@book{NBERgros72-1,
 title = "The Demand for Health: A Theoretical and Empirical Investigation",
 author = "Michael Grossman",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1972",
 URL = "http://www.nber.org/books/gros72-1",
}