THE NATURE OF AUTOIMMUNE-DISEASE - GENERAL DISCUSSION - Mcdevitt, H; Cooke, A; Mitchison, N; Rose, N; Neilson, E; Roitt, I; Newsomdavies, J; Nossal, G; Mackay, I; Waldmann, H; Lachmann, P; Peters, D; et al. (CIBA FOUNDATION SYMPOSIA, 1987)