Williams, D L; Spring, L; Gillis, T P et al. (1998) Evaluation of a polymerase chain reaction-based universal heteroduplex generator assay for direct detection of rifampin susceptibility of Mycobacterium tuberculosis from sputum specimens. Clin Infect Dis 26:446-50
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Williams, D L; Spring, L; Collins, L et al. (1998) Contribution of rpoB mutations to development of rifamycin cross-resistance in Mycobacterium tuberculosis. Antimicrob Agents Chemother 42:1853-7
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Talbot, E A; Williams, D L; Frothingham, R (1997) PCR identification of Mycobacterium bovis BCG. J Clin Microbiol 35:566-9
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Sreevatsan, S; Pan, X; Stockbauer, K E et al. (1996) Characterization of rpsL and rrs mutations in streptomycin-resistant Mycobacterium tuberculosis isolates from diverse geographic localities. Antimicrob Agents Chemother 40:1024-6
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Musser, J M; Kapur, V; Williams, D L et al. (1996) Characterization of the catalase-peroxidase gene (katG) and inhA locus in isoniazid-resistant and -susceptible strains of Mycobacterium tuberculosis by automated DNA sequencing: restricted array of mutations associated with drug resistance. J Infect Dis 173:196-202
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Williams, D L; Gillis, T P; Dupree, W G (1995) Ethanol fixation of sputum sediments for DNA-based detection of Mycobacterium tuberculosis. J Clin Microbiol 33:1558-61
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Nolan, C M; Williams, D L; Cave, M D et al. (1995) Evolution of rifampin resistance in human immunodeficiency virus-associated tuberculosis. Am J Respir Crit Care Med 152:1067-71
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