CJCP     2006 8 (4):  301-303    ISSN: 1008-8830  CN: 43-1301/R Efficacy of intravenous or atomizing ambroxol for prevention of respiratory distress syndrome in preterm infants HU Qin, LIAN Jin-Mei, LI Jian-Qing Department of Pediatrics, Zhangmutou Hospital of Dongguan, Dongguan, Guangdong 523633, China. docthuqin@163.com Received: null  Revised: null  Online: null Supporting info