Wu K-A, Perng W-C, Lee S-C, Cheng M-F, Sheu L-F, Wu C-P
Division of Pulmonary Medicine, Dept of Medicine, Tri-Service General Hospital, No.325, Section 2, Cheng-Kung Road, Nei-Hu, Taipei, Taiwan.
Eur Respir J. 2006 Jun;27(6):1316-9. doi: 10.1183/09031936.06.00142505.