Goodman, Allen; Hankin, Janet; Nishiura, Eleanor; … - In: International Journal of the Economics of Business 6 (1999) 3, pp. 331-348
with an insurance claims database from self-insured employers. The study population was selected from a large database … consisting of health insurance claims for all treatment events starting 1 January 1989 and ending 31 December 1991. Approximately …