Foreword A M Denman Ann Rheum Dis 1993; 52 (Suppl 1 ): S1-S2. doi:10.1136/ard.52.Suppl_1.S1 [PDF] [Request Permissions]

	A walk round the edges of self tolerance. N A Mitchison Ann Rheum Dis 1993; 52 (Suppl 1 ): S3-S5. doi:10.1136/ard.52.Suppl_1.S3 [PDF] [Request Permissions]
	Bacterial and viral superantigens: roles in autoimmunity? H Acha-Orbea Ann Rheum Dis 1993; 52 (Suppl 1 ): S6-16. doi:10.1136/ard.52.Suppl_1.S6 [Abstract] [PDF] [Request Permissions]
	Synovial lymphocytes and the aetiology of synovitis. H Gaston Ann Rheum Dis 1993; 52 (Suppl 1 ): S17-S21. doi:10.1136/ard.52.Suppl_1.S17 [PDF] [Request Permissions]
	Role of protein glycosylation in immune regulation. E F Hounsell and M J Davies Ann Rheum Dis 1993; 52 (Suppl 1 ): S22-S29. doi:10.1136/ard.52.Suppl_1.S22 [PDF] [Request Permissions]
	A reappraisal of the evidence that rheumatoid arthritis and several other idiopathic diseases are slow bacterial infections. G A Rook, P M Lydyard, and J L Stanford Ann Rheum Dis 1993; 52 (Suppl 1 ): S30-S38. doi:10.1136/ard.52.Suppl_1.S30 [PDF] [Request Permissions]
	Molecular and cellular mechanisms of joint destruction in rheumatoid arthritis: two cellular mechanisms explain joint destruction? S Gay, R E Gay, and W J Koopman Ann Rheum Dis 1993; 52 (Suppl 1 ): S39-S47. doi:10.1136/ard.52.Suppl_1.S39 [PDF] [Request Permissions]
	IgG3 cryoglobulins in autoimmune MRL-lpr/lpr mice: immunopathogenesis, therapeutic approaches and relevance to similar human diseases. S Izui, T Berney, T Shibata, and T Fulpius Ann Rheum Dis 1993; 52 (Suppl 1 ): S48-S54. doi:10.1136/ard.52.Suppl_1.S48 [Abstract] [PDF] [Request Permissions]

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