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such arguments, and the stubborn denial of the toxicity of the drug has encouraged its careless administration. The arguments advanced by Wechselmann will be to the thoughtful reader a warning against the indiscriminate use of a remedy that has proved itself dangerous if handled without due caution. Current Comment AN EASY TEST FOR SUSCEPTIBILITY TO DIPHTHERIA In many persons the blood normally contains diph¬ theria antitoxins in readily demonstrable quantities. This is the case in about 80 perdoi:10.1001/jama.1914.02560400044024 fatcat:bhg4uqg7hff5nb4eyniu6vlsgy