Kolilekas L, Kalomenidis I, Manali E, Liberopoulos P, Papiris S
2nd Pulmonary Department, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece.
Respiration. 2009;78(4):453-4. doi: 10.1159/000117464. Epub 2008 Feb 15.