| Description | Reprint not found: Hans W Kosterlitz and John H A Lord, 'The morphine receptor in the guinea - pig ileum. A. Agonist potencies of normorphine, phenoperidine, fentanyl and etorphine. B. Methadone. C. Antagonists with very long duration of action' reprinted from 'Representative 33rd Meeting, Committee on Problems of Drug Dependence, NAS - NRC [The National Academy of Sciences - National Research Council]' (1971), 532 - 544. |