2Duliege AM ,Amos CT ,Felton S ,et al.Birth order ,delivery roufe and concordance in the transmissiom of human immunodeficiency virus type I from mothers to twins International Registry of HIV-exposed Twins[J]. J pediatr,1995,126(4):625.
3Temeran M,Nyong Ao,Bwayo J,et al.Risk factors for mother to child transmission of human immunodeficiency virus-1 infection[J].Am J Obstet Gynecol,1992,172(7):700-704.
4Turner BJ,Mcker LJ,Slverman NS,et al.Prenatal care and birth outcome of a cohornt of HIV -infected woman[J].J Acquir Immune Defic Syodr Hum Retlovirol,1995,123(9):371-378.
1[2]Mock PA,Shaffer N,Bhadrakom C,et al.Maternal viral load and timing of mother-to-child HIV transmission,Bangkok,Thailand.Bangkok Collaborative Perinatal HIV Transmission Study Group.AIDS,1999,13(3):407
2[3]Burns DN,Landesman S,Wright DJ,et al.Influence of other maternal variables on the relationship between maternal virus load and mother-to-infant transmission of human immunodeficiency virus type 1.J Infect Dis,1997,175(5):1206
3[4]Mandelbrot L,Mayaux MJ,Bongain A,et al.Obstetric factors and mother-to-child transmission of human immunodeficiency virus type 1:the French perinatal cohorts.SEROGEST French Pediatric HIV Infection Study Group.Am J Obstet Gynecol,1996,175(3 pt 1):661
4[6]Semba RD.The role of vitamin A and related retinoids in immune function.Nutr Reviews,1998,56(1 pt 2):S38
5[7]Duliege AM,Amos CT,Felton S,et al.Birth order,delivery route,and concordance in the transmission of human immunodeficiency virus type 1 from mothers to twins.International Registry of HIV-Exposed Twins.J Pediatr,1995,126(4):625
6[8]Thea DM,Steketee RW,Pliner V,et al.The effect of maternal viral load on the risk of perinatal transmission of HIV-1.New York City Perinatal HIV Transmission Collaborative Study Group.AIDS,1997,11(4):437
