共 30 条
[2]
*CDC, 1987, MMWR-MORBID MORTAL W, V36, P687
[3]
*CDCP, 1996, MMWR-MORBID MORTAL W, V46, P129
[4]
*CDCP, 1998, MMWR-MORBID MORTAL W, V47, P1073
[5]
*CDCP, 1992, MMWR-MORBID MORTAL W, V41, P814
[6]
Centers for Disease Control and Prevention, 1992, MMWR MORB MORTAL WKL, V41, P36
[7]
Centers for Disease Control (CDC), 1987, MMWR Morb Mortal Wkly Rep, V36, P680
[8]
Centers for Disease Control (CDC), 1989, MMWR Morb Mortal Wkly Rep, V38, P453