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. 1919 May 15;12(5-9):230–235.
Effects of Smoking on Mental and Motor Efficiency (Conclusion)
1University of Minnesota
Copyright, 1919, by Lightner Witmer, Editor.
This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License, which permits non-commercial use and redistribution provided that the original author and source are credited.
PMCID: PMC5076255 PMID: 28909274
See "Effects of Smoking on Mental and Motor Efficiency" on page 132.