共 5 条
[1]
*CDC, 1997, MMWR-MORBID MORTAL W, V46, P577
[2]
Centers for Disease Control and Prevention (CDC), 1998, MMWR MORB MORTAL WKL, V47, P673
[4]
MASUZAWA T, 1999, 2 M INT LEPT SOC MAR, P58