PERPER R.J. /red./ 525,018 Mechanisms of tissue injury with reference to rheumatoid arthritis. Conference...held by The New York Academy of Sciences on November 20, 21,and 22, 1974.Ed. R. J.Perper. Conference chairmen R. J.Perper and C.M. Pearson. New York 1975 The New York Academy of Sciences 8° s. nlb. 2, 450, ilustr. Annals of the New York Academy of Sciences vol. 256