Analgesic effects of morphine and morphine‐6‐glucuronide in a transcutaneous electrical pain model in healthy volunteersCarsten Skarke, Jörn Lötsch, Jutta Darimont et al.|Clinical Pharmacology & Therapeutics|2003Cited by 224
The polymorphism A118G of the human mu-opioid receptor gene decreases the pupil constrictory effect of morphine-6-glucuronide but not that of morphineJörn Lötsch, Gerd Geißlinger, Helmut Schmidt et al.|Pharmacogenetics|2002Cited by 210