8Leung T, Lau TK, Chung TKh. Thalassaemia screening in pregnan- cy[J]. Curr Opin Obstet Gynecol, 2005, 17.
9Mullis K. PCR and scientific invention: the trial of Du - Pont vs. Cetus[ J]. The Polymerase Chain Reaction, 1994,427.
10Saiki RK, Walsh PS, Levenson CH , et al. Genetic analysis of am- plified DNA with immobilized sequence specific oligo nucleo tide probes[J] . Proc Nail Acad Sci USA, 1989, 86(16) : 6230.