PT  - JOURNAL ARTICLE
AU  - C. S. H. Ng
AU  - T. W. Lee
AU  - A. P. C. Yim
TI  - Iatrogenic causes of hilar radiopaque densities
AID  - 10.1183/09031936.05.00038305
DP  - 2005 Aug 01
TA  - European Respiratory Journal
PG  - 358--358
VI  - 26
IP  - 2
4099  - http://erj.ersjournals.com/content/26/2/358.short
4100  - http://erj.ersjournals.com/content/26/2/358.full
SO  - Eur Respir J2005 Aug 01; 26