@inbook{NBERc11521,
 Crossref = "NBERpaul80-1",
 title = "Physicians as Agents",
 author = "Mark Pauly",
 BookTitle = "Doctors and Their Workshops: Economic Models of Physician Behavior",
 Publisher = "University of Chicago Press",
 pages = "1-16",
 year = "1980",
 URL = "http://www.nber.org/chapters/c11521",
}
@book{NBERpaul80-1,
 title = "Doctors and Their Workshops: Economic Models of Physician Behavior",
 author = "Mark Pauly",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1980",
 URL = "http://www.nber.org/books/paul80-1",
}