CJCP     2000 2 (4):  244-247    ISSN: 1008-8830  CN: 43-1301/R Relationship between Heme Substances and Asthmatic Attack WANG Hong, LUAN Wei-Li, SONG Li-Ying, LI Hua-Qiang Department of Pediatrics, PLA 463 Hospital, Shenyang 110042, China Received: null  Revised: null  Online: null Supporting info