%0 Journal Article %T In vivo test of a new hands‐free tracheostoma inhalation valve, a randomised crossover study %A Kalkeren, T.A. %A Houwen, E.B. %A Schrijver, W.A.M.E. %A Verkerke, G.J. %A Laan, B.F.A.M. %J Clinical Otolaryngology %V 38 %N 5 %P 420-424 %@ 1749-4478 %D 2013-10-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve