@article {CHEN429, author = {K. K. CHEN and EDGAR J. POTH}, title = {RACIAL DIFFERENCES AS ILLUSTRATED BY THE MYDRIATIC ACTION OF COCAINE, EUPHTHALMINE, AND EPHEDRINE}, volume = {36}, number = {3}, pages = {429--445}, year = {1929}, publisher = {American Society for Pharmacology and Experimental Therapeutics}, abstract = {The pupil dilating effect of cocaine, euphthalmine, l-ephedrine, dl-ephedrine, and d-pseudoephedrine, has been compared in Caucasians, Chinese, and negroes, both in diffuse daylight, and under controlled illumination with accurate measurements. Caucasians are the most, and negroes the least susceptible to the mydriatic action of the drugs under investigation{\textemdash}the Chinese being intermediate.}, issn = {0022-3565}, URL = {https://jpet.aspetjournals.org/content/36/3/429}, eprint = {https://jpet.aspetjournals.org/content/36/3/429.full.pdf}, journal = {Journal of Pharmacology and Experimental Therapeutics} }