Use of the Clumping Factor Reaction for the Identification of Encapsulated Strains of Staphylococcus aureus from Human Sources.
Using the clumping factor test on 815 strains of Staphylococcus aureus, 775 positive strains were of compact morphology. Of 40 negative strains, 39 were diffuse in serum-soft agar. The test may be used to detect capsulated S. aureus strains.
Department of Microbiology and Immunology, Nippon Medical School, Tokyo, Japan.
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Smith
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Yoshida
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Naito