1. Studney DR, Paty DW. Linking and pooling national clinical research data. In: Barber B, Cao D, Wagner G (eds.). MEDINFO 89. Amsterdam: North-Holland, 1989:1117–20.
2.
2. Barnett GO, Justice NS, Somand ME, et al. COSTAR: a computer-based medical record system for ambulatory care. Proc IEEE1979;67:1226–37.
3.
3. Confavreux C.The Battle Against MS at the European Level EDMUS-European Database for Multiple Sclerosis. In UPDATE. London: International Federation of Multiple Sclerosis Societies, 1991;5:4–5.
4.
4. Beaman PD, Justice NS, Barnett GO. A medical information system and data language for ambulatory practice. Computer1979;12:9–17.
5.
5. Schumacher GA, Beebe G, Kibler RF, et al. Problems of experimental trials of therapy in multiple sclerosis: report by the panel on evaluation of experimental trials of therapy in multiple sclerosis. Ann NY Acad Sci1965;122:552–68.
6.
6. Poser CM, Paty DW, Scheinberg LC, et al. New diagnostic criteria for multiple sclerosis: guidelines for research protocols. Ann Neurol1983;13:227–31.
7.
7. Kurtzke JF. Rating neurologic impairment in multiple sclerosis: an expanded disability status scale. Neurology1983;33:1444–52.
8.
8. International Federation of Multiple Sclerosis Societies. Minimal Record of Disability for Multiple Sclerosis. New York: National Multiple Sclerosis Society, 1985.
9.
9. Redekop WK, Paty DW. Computerized scoring of neurological impairment in multiple sclerosis. Ann Neurol1991;30:255.
