TY  - RPRT
TI  - Exhaled biomarkers.
AU  - Sergei A Kharitonov
AU  - Peter J Barnes
PY  - 2006
DO  - 10.1378/chest.130.5.1541
UR  - https://pubmed.ncbi.nlm.nih.gov/17099035/
ID  - 17099035
ER  -