COPD Exacerbation Biomarkers Validated Using Multiple Reaction Monitoring Mass Spectrometry.

Leung JM, Chen V, Hollander Z, Dai D, Tebbutt SJ, Aaron SD, Vandemheen KL, Rennard SI, FitzGerald JM, Woodruff PG, Lazarus SC, Connett JE, Coxson HO, Miller B, Borchers C, McManus BM, Ng RT, Sin DD