共 8 条
[1]
ATKINSON W, 1992, 32 INT C ANT AG CHEM, P181
[2]
*CDCP, 1997, MMWR-MORBID MORTAL W, V10, P1
[3]
Centers for Disease Control and Prevention, UNPUB
[7]
Markowitz LE, 1994, VACCINES, P229
[8]
REDD SC, 1996, MANUAL SURVEILLANCE