CJCP     2001 3 (1):  64-65    ISSN: 1008-8830  CN: 43-1301/R Measurement of the lung function in pre-school children by the impulse oscillation technique CHENG Guo-Qiang, HONG Jian-Guo, LI Zhen, LI Xiao-Qing, WANG Lai-Li Received: null  Revised: null  Online: null Supporting info