Park, R Relative sensitivity to alfentanil and reliability of current perception threshold vs von Frey tactile stimulation and thermal sensory testing. [electronic resource] - Journal of the peripheral nervous system : JPNS Dec 2001 - 232-40 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 1085-9489 Standard No.: 10.1046/j.1529-8027.2001.01025.x doi Subjects--Topical Terms: AdultAgedAlfentanil--administration & dosageAnalgesics, Opioid--administration & dosageCold TemperatureDiphenhydramine--administration & dosageDose-Response Relationship, DrugElectric StimulationHot TemperatureHumansMiddle AgedPain MeasurementPhysical StimulationPlacebosReproducibility of ResultsSensory Thresholds--drug effectsThermosensing--drug effectsTouch--drug effects