4Helfand RF, Heath JL Anderson LJ, et al. Diagnosis of measles with an lgM Cavture EIA:the optimal timing of specimen collection after rash onset [J]. J Infect Dis, 1997,175 (1):195-199.
5CDC. Measles- United States, 1990 [J]. MMWR, 1991,40: 369.
6Maidonado YA, Lawrence EC, DeHovitz R, et al. Early loss of passive measles antibody in infants of mothers with vaccine - induced immunity[J]. Pediatrics, 1995,96 (3): 447 - 450.
7Markowitz LE, Albrecht P, Rhodes P, et al. For the kaiser permanente measles vaccine trial team. changing levels of measles antibody titers in women and children in the United States: Impact on resporse to vaccination[J]. Pediatrics, 1996,97 (1): 53 - 58.
