共 11 条
[1]
[Anonymous], ENG STAT HDB
[2]
Centers for Disease Control and Prevention (CDC), 2004, MMWR Morb Mortal Wkly Rep, V53, P547
[6]
Germann T. C., 2006, PNAS
[8]
HABLER MJ, 2007, EMERG INFECT DIS, V13, P581