Bylund D B, Eikenberg D C, Hieble J P, Langer S Z, Lefkowitz R J, Minneman K P, Molinoff P B, Ruffolo R R, Trendelenburg U
SmithKline Beecham Pharmaceuticals, Pharmacological Sciences, King of Prussia, PA 19406-0939.
Pharmacol Rev. 1994 Jun;46(2):121-36.