2Dombovari Z, Molnar B, Bocsi J, et al. Biologic detection methods in the comparison of circulating tumor cells and micrometastases[J], orv Hetil, 1998, 139(30): 1793-1797.
3Van Deusen R A, Hinlshwa V S. Micro neuraminidase inhibition assay for cla- ssification of influenza A virus nevrmainidases [J]. Avian Dis, 1983, 27(3): 745-750.
