A comparison of the relative efficiency of the Schafer and Pole-top methods of artificial respiration

Discussion and authors´ closure of paper 40–150 by W. B. Kouwenhoven, D. R. Hooker, and O. R. Langworthy, presented at the AIEE Middle Eastern District meeting, Cincinnati, Ohio, October 9–11, 1940, and published in AIEE TRANSACTIONS, 1941 (February section) pages 41–4.