The above letter, when divested of obscuring verbiage and discussion of non-essential points, simply verifies the statements made in the Council's report on Probilin. The essential fact in the letter is the admission on the part of Schering & Glatz that, while advertising to physicians that each Probilin piil contained certain definite quantities of certain ingredients, they were, according to their own admissions, ignorant of the composition of the pill.
Most ingenuous is their statement that the only ingredients in the pill, regarding which they made inquiry of Messrs. Goedecke & Co., were those concerning which the Council wrote them. One would naturally suppose that the firm of Schering & Glatz would be interested in knowing the true proportions of all the ingredients of the product, especially when positive statements regarding the composition and therapeutic properties of Probilin and of all its ingredients were being made on the authority of
Probilin—A Criticism and a Reply.-Reply. JAMA. 1907;XLIX(18):1542–1543. doi:10.1001/jama.1907.02530180060015
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