Specific protection of µ - and "d" - binding sites in guinea - pig brain, against the inhibitory effect of phenoxybenzamine, by agonists preferentially interacting with µ - or "d" - sites Linda E Robson and Hans W Kosterlitz, 'Specific protection of µ - and "d" - binding sites in guinea - pig brain, against the inhibitory effect of phenoxybenzamine, by agonists preferentially interacting with µ - or "d" - sites' reprinted from E L Way, ed., 'Endogenous and Exogenous Opiate Agonists and Antagonists' (New York, 1980), 107 - 108. 1980