共 40 条
- [1] Ahluwalia Indu B., 2001, Morbidity and Mortality Weekly Report, V50, P3
- [2] [Anonymous], 1991, Lancet, V338, P131, DOI 10.1016/0140-6736(91)90133-A
- [3] [Anonymous], 1992, MMWR Recomm Rep, V41, P1
- [6] Botto LD, 1996, PEDIATRICS, V98, P911
- [7] *CENTR BUR STAT, 2002, STAT ABSTR ISR
- [8] *CENTR BUR STAT, 2001, UNPUB INT MEM
- [9] CRAGAN JD, 1994, CDC MMWR, V44, P1
- [10] Czeizel A E, 1998, Community Genet, V1, P252, DOI 10.1159/000016171