The Hydrogen Ion Concentration of the Mixed Saliva Considered as an Index of Fatigue and of Emotional Excitation, and Applied to a Study of the Metabolic Etiology of Stammering
- 1 July 1922
- journal article
- Published by University of Illinois Press in The American Journal of Psychology
- Vol. 33 (3) , 394
- https://doi.org/10.2307/1413527