RT Journal Article SR Electronic T1 Receptors for Purines and Pyrimidines JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 413 OP 492 VO 50 IS 3 A1 Vera Ralevic A1 Geoffrey Burnstock YR 1998 UL http://pharmrev.aspetjournals.org/content/50/3/413.abstract AB