9Hamawa Y, Maki M, Matsuyama E, et al. The third nationwide survey in Japan of vitmin K deficiency in infancy [J].Acta Pediatr Jpn, 1990,32(1) :51 -59.
10Von Kries R, Hachmeister A. Gobel UOral mixed micellar vitamin K for prevention of late vitamin K deficiency bleeding. Arch Dis Child Fetal Neonatal Ed,2003,88(2) :8083.
7Sutor AH, von Kries R, Comclissen EA, et al. Vitamin K deficency bleeding(VKDB) in infan[J]. Thromb Haemost, 1999,81(3):456-61.
8Roman E, Fear NT, Ansell P, et al. Vitamin K and childhood cancer, analysis of individual patient data from six case -control studies[J]. Br J Cancer, 2002,86(1):63-9.
9Parker L, Cole M, Croft AW, et al. Neonatal vitamin K administration and childhood cancvr in the north of England:retrospoctive case -control study[J]. BMJ, 1998,316(7126):189-93.
10Passmore SJ, Draper G, Bmwnbill P, et al. Case-control studies of relation betwen childhood cancer and neonatal vitamin K administration[J]. BMJ, 1998,316(7126):178-84.
