Pulmonary function in asthmatic children under 5 years
MA Cai-Ling, REN Xiao-Mei, LIN Shu-Jin, ZHOU Shu-Hua, WANG Li-Jun, XIE Qian, SUN Xin-Rong
中国当代儿科杂志 . 2002, (2): 114 -116 .