共 510 条
- [91] *CDC, 1976, MMWR-MORBID MORTAL W, V25, P141
- [92] *CDCP, 1997, VIT HLTH STAT DET DI, V127
- [93] *CDCP, 1995, PUBL DEP HLTH HUM SE
- [94] Centers for Disease Control and Prevention, 1997, MMWR-MORBID MORTAL W, V46, P25
- [95] Centers for Disease Control (CDC), 1990, MMWR Morb Mortal Wkly Rep, V39, P433
- [96] Centers for Disease Control (CDC), 1990, MMWR Morb Mortal Wkly Rep, V39, P426
- [97] Centers for Disease Control (CDC), 1992, MMWR Morb Mortal Wkly Rep, V41, P263
- [98] Centers for Disease Control (CDC), 1990, MMWR Morb Mortal Wkly Rep, V39, P598