4Alvin CB, Daniel AS, Louis RC, et al. 2009 Annual Report of the A-merican Association of Poison Control Centers' National Poison Data System(NPDS) [J]. Clinical Toxicology,2010,48:979-1178.
5Hanssens A. Etiologic and demographic characteristics of poisoning: a prospective hospital-based study in Oman [ J ]. J Toxicol Chin Toxicol,2001,4 :371-380.
6Litovitz TL,Clark LR,Soloway RA,et al.1993 Annual report of the Am erican Association of Poison Control Centers toxic exposure surveillance system. Am J Em Med,1994,12:546.
7Koyama K.Japan National Poison Center:1994 annual report.Jpn J Toxicol,199 5,8:303.
8Hanssens,et al.Etiologic and demographic characteristics of poisoning: a p rospective hospital-based study in Oman. J-Toxicol-Chin-Toxicol,2001,4:371~ 380.
9McCaig,et al.Poisoning-related visits to emergency departments in the Uni ted States,1993~1996.J-Toxicol-Clin-Toxicol,1999,7:817~826.
10Alvin C. Bronstein, Daniel A. Spyker, Louis R. Cantilence Jr, et al. 2006 Annual Report of the American Association of Poison Control Centers' National Poison Data System (NPDS)[J]. Clinical Toxicology, 2007, 45 (8): 815-917.