9Miller M, Williams W W, Redd SC. Measles among adults, United States,1985-1995[J]. Am J Prey Med,1999,17(2):134-119.
10Pena-Rey Lorenzo I, Santa-Olalla Peralta P, Amela Heras C. Measles in Spain:its move into the adult population[J]. Aten Primaria,2004,33(4) :200-202.