Opioid peptides and their receptors The 'File Copy' is Hans W Kosterlitz, 'Opioid peptides and their receptors' and the other copy is Hans W Kosterlitz, Linda E Robson and Steward J Paterson, 'Opioid peptides and their receptors' reprinted from H Weiner, I Florin, R Murison and D Hellhammer, eds., 'Frontiers of Stress Research. Neuronal Control of Bodily Function: Basic and Clinical Aspects', (vol. 3., New York, 1989), 302 - 308. 1989