CHEST Journal

SMOKING STATUS DETERMINATION USING CARBOXYHEMOGLOBIN LEVEL, DIFFERENCES BETWEEN PRE AND POST ACTUAL VALUES AND PRE AND POST PERCENT PREDICTED VALUES OF FEV1.

CHEST Journal

HERMANN SIMO, AARON BAUGH, MOHAMMAD SAUD KHAN, DIVYA SACHDEV, CHINONSO AGUBOSIM, MOMEN BANIFADEL, WILLIAM BARNETT, ARJAN FLORA