CJCP     2006 8 (6):  457-460    ISSN: 1008-8830  CN: 43-1301/R Atopy spectrum and its relationship with clinical characteristics in asthmatic children under 4 years of age XIANG Li, SHEN Kun-Ling, ZHANG Qi, XIONG Zhen-Yi Center of Asthma, Bejing Children's Hospital Affiliated to Capital University of Medical Science, Beijing 100045, China. drxiang@yahoo.com.cn Received: null  Revised: null  Online: null Supporting info