RT Journal Article SR Electronic T1 ANTAGONISMS AND ANTAGONISTS JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 237 OP 242 VO 9 IS 2 A1 S. Loewe YR 1957 UL http://pharmrev.aspetjournals.org/content/9/2/237.abstract AB