| Description | Hans W Kosterlitz, John A H Lord and A J Watt, 'Morphine receptor in the myenteric plexus of the guinea - pig ileum' reprinted from Hans W Kosterlitz, H O J Collier & J E Villarreal, eds., 'Agonist and Antagonist Actions of Narcotic Analgesic Drugs' (London, 1973), 45 - 61. |