RT Journal Article SR Electronic T1 TECHNIQUES TO IMPROVE THE SPECIFICITY OF THE TRIHYDROXYINDOLE PROCEDURE JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 269 OP 272 VO 11 IS 2 A1 Gerald Cohen YR 1959 UL http://pharmrev.aspetjournals.org/content/11/2/269.abstract AB