共 65 条
[21]
Centers for Disease Control, 2002, MMWR-MORBID MORTAL W, V51, P784
[22]
Centers for Disease Control and Prevention, 2004, MMWR-MORBID MORTAL W, V53, P1
[23]
Centers for Disease Control and Prevention, BEH RISK FACT SURV S
[24]
Centers for Disease Control and Prevention (CDC), 1999, MMWR Morb Mortal Wkly Rep, V48, P649
[25]
Centers for Disease Control and Prevention (CDC), 2005, MMWR Morb Mortal Wkly Rep, V54, P113
[26]
Centers for Disease Control and Prevention (CDC), 2004, MMWR Morb Mortal Wkly Rep, V53, P4
[27]
Centers for Disease Control and Prevention (CDC), 2004, MMWR Morb Mortal Wkly Rep, V53, P359
[28]
Centers for Disease Control and Prevention (CDC), 1999, MMWR Morb Mortal Wkly Rep, V48, P74
[29]
Centers for Disease Control and Prevention (CDC), 2001, MMWR Morb Mortal Wkly Rep, V50, P754
[30]
Centers for Disease Control and Prevention (CDC), 2000, MMWR Morb Mortal Wkly Rep, V49, P461