@article {Farr{\'e}722, author = {R. Farr{\'e} and D. Navajas}, title = {Quality control: a necessary, but sometimes overlooked, tool for improving respiratory medicine}, volume = {33}, number = {4}, pages = {722--723}, year = {2009}, doi = {10.1183/09031936.00000409}, publisher = {European Respiratory Society}, issn = {0903-1936}, URL = {https://erj.ersjournals.com/content/33/4/722}, eprint = {https://erj.ersjournals.com/content/33/4/722.full.pdf}, journal = {European Respiratory Journal} }