@techreport{NBERw8344,
 title = "Economic Status and Health in Childhood: The Origins of the Gradient",
 author = "Anne Case and Darren Lubotsky and Christina Paxson",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "8344",
 year = "2001",
 month = "June",
 URL = "http://www.nber.org/papers/w8344",
}