12 pages (pp. 271-282) IN: Sammlung Klinischer Vortrage., 1872, nr. 36 (Inn. Med., no. 13). 8vo, modern wrappers. Berlin, 1872. First Edition. Whole issue offered entire.
Continuing his study of laryngeal paralysis, Gerhardt proposed the term "cadaveric position to indicate the position of the vocal cord in total paralysis of the larynx. GM 3279.