St. Louis, Mo., March 21,1898.
To the Editor:
—I have read with great interest Dr. Waxham's "Report of Cases of Tuberculosis treated with Antiphthisic Serum, T.R. (Fisch)." It is well that all sides of this subject should be presented, as only by the collective investigation of numerous observers working independently, in different places, and under diverse conditions, can any satisfactory decision be arrived at. With that end in view, Messrs. Milliken & Co., have been consistent in impressing on all users of the serum (Dr. Waxham himself not excepted), their desire that reports of cases should be made to the medical press, whether the results be "good, bad, or indifferent." While reports favorable to the serum can not fail to be gratifying, those of failures are equally important, as a means of drawing attention to sources of error on either side.On reviewing Dr. Waxham's cases, it appears to me