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To the Editor:
—It is pertinent to keep the published record clear regarding the standards and ideals of scientists and physicians of the United States. Especially is this necessary in matters involving new and allegedly useful methods of handling disease. Distressing, therefore, is the spectacle of reputable scientific medical men promoting persuasive but dubious arguments and evidence on a material for use in cancer which has suspicious commercial association and on which satisfactory chemical analysis or pharmacological appraisal has not yet been issued in customary scientific or medical publications.Those who would like to know what technical procedures are available for the reasonably satisfactory introduction of new therapeutic agents may refer to the following publications: "The Pharmacologic Evaluation of New Drugs" (J. A. M. A. 93:1632 [Nov. 23] 1929); "Laboratory and Clinical Appraisal of New Drugs" (J. A. M. A. 126:958 [Dec. 9] 1944); "Current Pharmacology: General Principles
Leake CD. EVALUATION OF NEW DRUGS. JAMA. 1951;146(5):495. doi:10.1001/jama.1951.03670050077025
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