1OMB, 2003, Circular No. A - 133, http://www. whitehouse.gov/ond3/circulars/a133/a133. pdf.
2National Science Foundation Office of Inspector General,2003,Semiannual Report to the Congress, http://www. nsf. gov/publications/pub_summ. jsp? ods key = oigmarch2003.
3National Science Foundation Office of Inspector General ,2004,Semiannual Report to the Congress, http ://www. nsf. gov/publications/pub_summ. jsp? ods_key = oigsept2004.
4U.S. Department of Health and Human Services Office of Inspector General, 2005, Semiannual Report to the Congress, http://oig. hhs. gov/publications/docs/semiannual/2OO5/OIG_semiannuall - 2005. pdf.
1Doern GV, Chapin KC.Determination of biotypes of Haemophilus influenzae and Haemophilus parainfluenzae A comparison of methods and a discripion of a new biotype ( Ⅷ )of H.parainfluenzae.Diagn Microbiol Infect Dis, 1987,7: 269-274.
