At the request of the author, “Comparing performance of 3 oscillating positive expiratory pressure devices at similar amplitude and frequencies of oscillations on displacement of mucus inside trachea during cough” has been withdrawn. The paper has not been published in print, but was published electronically ahead of print on March 13, 2012. DOI: 10.4187/respcare.01631.
- Copyright © 2012 by Daedalus Enterprises Inc.
