“…The coefficient of correlation (r) is 0.72 (p < 0.01). A similar relationship has been observed in rabbits (6) and in patients with myxedema (32). The two patients, C. M. and L. E., whose mean salicylate concentrations were 65 and 58 mg. per 100 ml., respectively, were lethargic and failed to show a rise in oxygen consumption proportional to their serum salicylate concentration; their points lie to the right of the regression line shown in Figure the metabolic stimulation for a given serum salicylate concentration was greater during the first 3 to 10 days than during subsequent chronic administration and points obtained during this period fall to the left of the regression line.…”