The physiological effects of ethyl alcohol depend almost entirely on its concentration in the blood stream. This concentration, expressed in per cent, is referred to as the blood alcohol level and has become of increasing medico-legal importance in determining the degree of alcoholic intoxication.
Lewis H. Bronson, Physiology of Ethyl Alcohol, 11 Clev.-Marshall L. Rev. 54 (1962)
Symposium on Intoxication