A Pragmatic, Phase III, Multisite, Double-Blind, Placebo-Controlled, Parallel-Arm, Dose Increment Randomised Trial of Regular, Low-Dose Extended-Release Morphine for Chronic Breathlessness: Breathlessness, Exertion and Morphine Sulfate (BEAMS) Study Protocol

BMJ Open - United Kingdom
doi 10.1136/bmjopen-2017-018100