Research ArticleArticle
HUMAN PAIN THRESHOLDS DETERMINED BY THE RADIANT HEAT TECHNIQUE AND THE EFFECT UPON THEM OF ACETYL-SALICYCLIC ACID, MORPHINE SULFATE AND SODIUM PHENOBARBITAL
Robert A. Kuhn and R. B. Bromiley
Journal of Pharmacology and Experimental Therapeutics January 1951, 101 (1) 47-55;