Cran, Alison Auditory symptoms as an unrecognized manifestation of opioid toxicity: two case reports. [electronic resource] - Journal of pain & palliative care pharmacotherapy Dec 2014 - 378-81 p. digital Publication Type: Case Reports; Journal Article ISSN: 1536-0539 Standard No.: 10.3109/15360288.2014.959233 doi Subjects--Topical Terms: Administration, OralAgedAnalgesics, Opioid--administration & dosageDelayed-Action Preparations--adverse effectsFemaleHearing Disorders--chemically inducedHumansHydromorphone--administration & dosageInfusions, Subcutaneous--adverse effectsMiddle Aged