Improvement in exercise capacity after nocturnal positive pressure ventilation and tracheostomy in a postpoliomyelitis patient
Author: Fragoso, C.A., Kachmarek, R.M., Systrom, D.M.
Journal/Publisher: Chest
Issue: 1992: 101: 254-257
http://www.ncbi.nlm.nih.gov/pubmed/1729078