Zebraski, S E Lung opioid receptors: pharmacology and possible target for nebulized morphine in dyspnea. [electronic resource] - Life sciences 2000 - 2221-31 p. digital Publication Type: Journal Article; Review ISSN: 0024-3205 Standard No.: 10.1016/s0024-3205(00)00434-3 doi Subjects--Topical Terms: Administration, InhalationAnalgesics, Opioid--administration & dosageAnimalsDyspnea--drug therapyHumansLung--drug effectsMorphine--administration & dosageReceptors, Opioid--drug effects