Kingella kingae organisms isolated from the blood of 3 children with invasive infections were identical by pulsed field gel electrophoresis and random amplified polymorphic DNA-polymerase chain reaction analysis to those recovered from the patients' pharynx, demonstrating the likely role of upper respiratory tract colonization in the pathogenesis of the disease caused by this bacterium.
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Yagupsky et al. (2009) studied this question.
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