APA

van Kalkeren T. A., van der Houwen E. B., Schrijver W. A. M. E., Verkerke G. J. & van der Laan B. F. A. M. (20140625). In vivo test of a new hands-free tracheostoma inhalation valve, a randomised crossover study. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery.

Chicago

van Kalkeren T A, van der Houwen E B, Schrijver W A M E, Verkerke G J and van der Laan B F A M. 20140625. In vivo test of a new hands-free tracheostoma inhalation valve, a randomised crossover study. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery.

Harvard

van Kalkeren T. A., van der Houwen E. B., Schrijver W. A. M. E., Verkerke G. J. and van der Laan B. F. A. M. (20140625). In vivo test of a new hands-free tracheostoma inhalation valve, a randomised crossover study. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery.

MLA

van Kalkeren T A, van der Houwen E B, Schrijver W A M E, Verkerke G J and van der Laan B F A M. In vivo test of a new hands-free tracheostoma inhalation valve, a randomised crossover study. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery. 20140625.