We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleIn vivo assessment of diaphragm contraction by ultrasound in normal subjects.AuthorsUeki, J; De Bruin, P F; Pride, N BPublicationThorax, 1995, Vol 50, Issue 11, p1157ISSN0040-6376Publication typearticleDOI10.1136/thx.50.11.1157