4Kurath S, Halwachs- Baumann G, Mllller W, et al. Transmission of cytomegalovirus via breast milk to the prematurely born infant: a systematic review. Clin Microbiol Infect, 2010, 16 (8): I172-1178.
5Pass R F, Fowler K B, Boppana S B, et al. Congenital cytomegalovirus infection following frst trimester maternal infection: symptoms at birth and outcome. J" Clin Virol, 2006, 35 ( 2 ) : 216-220.
6Goegebuer T, Van Meensel B, Beuselinek K, et al. Clinical predictive value of real-time PCR quantification of human cytomegalovirus DNA in amniotic fluid samples. Clin Microbiol, 2009, 47(3) : 660 -665.
7Westgard J O. Internal quality control: planning and implementation strategies. Ann Clin Biochem, 2003, 40 (Pt6) :593-611.