To the Editor:
—In his reply, last week, to my comment on his article, Professor Hindhede first considers a point which I referred to as of no vital importance, and, secondly, states that "Dr. Goldberger has changed his mind," without really making clear about what "Dr. Goldberger has changed his mind," assuming (what is not a fact) that he changed his mind, and without showing what relation, if any, this has to the major issues raised by him on which I commented.In my comments, if I may be permitted to recall, I addressed myself to three or four points, of which only two were regarded as of real importance. These were: 1. The charge that Goldberger and associates were reprehensible advocates of the view that pellagra is caused by lack of animal protein. 2. The argument in support of Hindhede's view that "the question of pellagra is not a