@article {Duiverman1136, author = {M. L. Duiverman and F. M. Struik and P. J. Wijkstra}, title = {Noninvasive ventilation in severe stable COPD: is it effective, and if so, in what way?}, volume = {31}, number = {5}, pages = {1136--1137}, year = {2008}, doi = {10.1183/09031936.00168207}, publisher = {European Respiratory Society}, issn = {0903-1936}, URL = {https://erj.ersjournals.com/content/31/5/1136}, eprint = {https://erj.ersjournals.com/content/31/5/1136.full.pdf}, journal = {European Respiratory Journal} }