Development of a Core Outcome Set for Dysphagia Interventions in Parkinson's disease (COS-DIP): study protocol.
Julia HirschwaldSallyanne DuncanTobias WarneckeGary BoyleJulie ReganMargaret WalshePublished in: BMJ open (2024)
The COS-DIP study was registered prospectively with the Core Outcome Measures in Effectiveness Trials (COMET) database on 24 September 2021 (www.comet-initiative.org/Studies/Details/1942).