RT Journal Article SR Electronic T1 Induced sputum eosinophil count for the diagnosis of bronchial asthma JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 710 OP 712 VO 31 IS 6 A1 Liu, Qian Q. A1 Chen, Shi H. A1 Liang, Miao B. A1 Feng, Lin Y. YR 2010 UL http://smj.org.sa/content/31/6/710.abstract