| Study | Reason for exclusion |
|---|---|
| Baldassare 1985 | Dose comparison. No placebo group |
| Borg 1991 | Followup of Borg 1989. No OMERACT outcomes reported in this article. |
| Champion 1982 | Dose comparison, no placebo group. |
| Champion 1988 | Dose comparison, no placebo group |
| Egsmose 1995 | Long term followup of Borg 1989. |
| Jajic 1990 | No placebo group |
| Lundberg 1988 | Followup of Ward 1983. No OMERACT outcomes reported in this article. |
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