CHATRCHAI WATANAKUNAKORN, M.D.
To the editor: Hoppes and Lerner (1) in their recent article questioned the adequacy of the method used to identify enterococci in my study, because the minimum inhibitory concentration (MIC) of penicillin G for 4 of the 100 strains of enterococci that I studied was 0.1 µg/ml or less (2). They said that "if the salt tolerance test used was commercial S.[treptococcus] faecalis broth, it would not have separated S. bovis from his enterococci." However, S. faecalis broth was not used in my study! It was stated with abundant clarity in my article that "all strains except one grew in
WATANAKUNAKORN C. Enterococci. Ann Intern Med. ;82:425–426. doi: 10.7326/0003-4819-82-3-425_3
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Published: Ann Intern Med. 1975;82(3):425-426.
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