Lennernäs, Bo Sublingual administration of fentanyl to cancer patients is an effective treatment for breakthrough pain: results from a randomized phase II study. [electronic resource] - Palliative medicine Apr 2010 - 286-93 p. digital Publication Type: Clinical Trial, Phase II; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1477-030X Standard No.: 10.1177/0269216309356138 doi Subjects--Topical Terms: Administration, SublingualAdolescentAdultAgedAged, 80 and overAnalgesics, Opioid--administration & dosageCross-Over StudiesDizziness--chemically inducedDose-Response Relationship, DrugDouble-Blind MethodFemaleFentanyl--administration & dosageHumansMaleMiddle AgedNausea--chemically inducedNeoplasms--complicationsPain--drug therapyPain Measurement--methodsPlacebosTime FactorsTreatment OutcomeYoung Adult