TY - JOUR T1 - Lung air-fluid level in a smoker JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 500 LP - 501 DO - 10.3949/ccjm.80a.12107 VL - 80 IS - 8 AU - Fayez Kheir AU - Abdul Hamid Alraiyes AU - Daniel Salerno AU - M. Chadi Alraies Y1 - 2013/08/01 UR - http://www.ccjm.org/content/80/8/500.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -