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To the Editor:—I am well acquainted with Dr. Davison's excellent paper mentioned in his letter. I discussed his work and that of his associates, Jacobsen and Leonard, in a paper which I recently read before the Journal Club of Montefiore Hospital. I am withholding publication of this paper in order to repeat my experiments (similar to those of Davison) on the children studied.
SCHWARTZ SP. "DIGITALIS STUDIES ON CHILDREN WITH HEART DISEASE". Am J Dis Child. 1930;39(6):1303. doi:10.1001/archpedi.1930.01930180153019