the normal microbial flora of the outer ear canal in healthy norwegian individuals.the microbial flora of the outer ear canal was determined for 77 healthy individuals (m = 44, f = 33). no growth of any microbe was found in 5% of males and 15% of females. coagulase-negative staphylococci, dominated by staphylococcus epidermidis, were the commonest microbe group found (83% of persons sampled). staphylococcus aureus was found in 7% males and no females. diptheroids were cultured from 32% of the samples. the only gram-negative rod found was hafnia alvei in 4% of individuals. no v ...19902216049
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