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Least Square Means (LSMean) log 10 copies/ml for C. acnes and Staphylococcus spp. at different scalp sites graded on the basis of their dandruff severity: Healthy_O site; Healthy_A site.; Dandruff_O site; and Dandruff_C site. Statistically significant differences between groups are highlighted by means of connecting bars with associated p values.
