“…The surveys of autopsy material by Lawson and Maclean (1966) and Burry, de Jersey, and Weedon (1966) revealed that there was a high degree of correlation between total doses of phenacetin-containing analgesics and the incidence of papillary necrosis. Lawson and Maclean (1966) noted an apparent excess of renal disease in rheumatoid arthritics treated with salicylates compared with controls, but were not able to give figures for the salicylate consumption of the controls.…”