Burdash N, Fernandes J. Group A Streptococcus detection: office versus reference laboratory. J Am Osteopath Assoc 1992;92(2):231. doi: 10.7556/jaoa.1922.214.171.124.
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Clinical differentiation between a virus and beta-hemolytic streptococci as a cause of pharyngitis remains difficult. In the physician's laboratory, more rapid procedures using immunologic methods have replaced culture methods, traditionally requiring 2 to 3 days for identification of beta-hemolytic streptococci. Attention to the diagnostic sensitivity and specificity of these procedures will guide appropriate use.
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