3Tunkel AR, Kaye D. Endocarditis with negative blood cultures[J]. N Engl J Med, 1992, 326:1215.
4Lamas CC, Eykyn SJ. Blood culture negative endocarditis: analysis of 63 cases presenting over 25 years[J]. Heart, 2003, 89:258.
5Werner M, Andersson R, Olaison L, et al. A clinical study of culture-negative endocarditis[J]. Medicine (Baltimore), 2003;82:263.
6Hoen B, Alla F, Selton-Suty C, et al. Association pour 1' etude et la prevention de 1' endocardite infectieuse (AEPEI) study group, changing profile of infective endocarditis: results of a l-year survey in France[J]. JAMA, 2002, 288:75.
7Krcmery V, Gogova M, Ondrusova A, et al. Slovak endocarditis study group, etiology and risk factors of 339 cases of infective endocarditis: report from a 10-year national prospective survey in the slovak republic[J]. J Chemother, 2003, 15:579.
8Tariq M, Alam M, Munir G, et al. Infective endocarditis: a five-year experience at a tertiary care hospital in Pakistan[J]. Int J Infect Dis, 2004, 8:163170.
9Siddiqui BK, Tariq M, Jadoon A, et al. Impact of prior antibiotic use in culture-negative endocarditis: review of 86 cases from southern pakistan international[J]. J Infect Dis, 2009,13:606.
10Naber CK, Erbel R. Infective endocarditis with negative blood cultures[J]. Intern J Antimicrob Agents, 2007, 30S:S32.