共 25 条
- [4] *COMP RES CTR, 1999, STAT REF MAN REL 6
- [5] Department of Health Human Services, 1996, POLYCYCLIC AROMATIC, P1
- [7] Influenza vaccination in 22 developed countries: an update to 1995 [J]. VACCINE, 1997, 15 (14) : 1506 - 1511
- [8] Influenza control - Unfinished business [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1999, 281 (10): : 944 - 945