Lee Silverman Voice Treatment versus standard speech and language therapy versus control in Parkinson's disease: a pilot randomised controlled trial (PD COMM pilot).
Catherine M SackleyChristina H SmithCaroline E RickMarian C BradyNatalie IvesSmitaa PatelRebecca WoolleyFrancis DowlingRamilla PatelHelen RobertsSue JowettKeith WheatleyDebbie KellyGina SandsCarl E Clarkenull nullPublished in: Pilot and feasibility studies (2018)
International Standard Randomised Controlled Trial Number Register: ISRCTN75223808. registered 22 March 2012.