Preoperative Physiotherapy for the Prevention of Respiratory Complications after Upper Abdominal Surgery: Pragmatic, Double Blinded, Multicentre Randomised Controlled Trial Boden I, Skinner EH, Browning L et al. British Medical Journal 2017, 360:j5916 https://doi.org/10.1136/bmj.j5916Share this:TwitterFacebookLike this:Like Loading... February 21, 2018