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Part 2, Chapter 6: Improper Use of the Voice, pp. 134-142
Lindsay & Blakiston
Jefferson Medical College, Throat, voice, laryngology, solis-cohen, laryngitis, tonsil, dyphtheria, catarrh
History of Science, Technology, and Medicine
Solis Cohen, Jacob, "The Throat and The Voice: Part 2, Chapter 6: Improper Use of the Voice" (1879). The Throat and the Voice, by J. Solis Cohen, M.D. 1879. 23.
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