Activity profiles of opiates at the µ - , "d" - and k - binding sites Hans W Kosterlitz, Jacques Magnan, Stewart J Paterson and Alessandra Tavani, 'Activity profiles of opiates at the µ - ,"d" - and k - binding sites' reprinted from 'British Journal of Pharmacology', 74 (1981), 893. Duplicate is photocopy of original. 1981