Issue No.11 - November (1979 vol.12)
P.D. Beaman , Massachusetts General Hospital
The COSTAR system keeps medical records and does accounting and administrative tasks for group practices. It also offers clinical researchers a useful query language for manipulating medical data.
P.D. Beaman, G.O. Barnett, "A Medical Information System and Data Language for Ambulatory Practices", Computer, vol.12, no. 11, pp. 9-17, November 1979, doi:10.1109/MC.1979.1658528