PT - JOURNAL ARTICLE AU - GEORGE V. LEROY AU - JOHN H. SPEER TI - A COMPARISON OF THE CORONARY VASODILATOR ACTIVITY OF CERTAIN ALKYL XANTHINES DP - 1940 May 01 TA - Journal of Pharmacology and Experimental Therapeutics PG - 45--51 VI - 69 IP - 1 4099 - http://jpet.aspetjournals.org/content/69/1/45.short 4100 - http://jpet.aspetjournals.org/content/69/1/45.full SO - J Pharmacol Exp Ther1940 May 01; 69