Fig. 2. Sangju honey has antiproliferative effect in oral cancer cells. (A) Cell morphology of Ca9-22 treated with 0.25% or 0.5% of honey. (B) Cell morphology of YD-10B exposed with 0.25% or 0.5% of honey. Oral cancer cells were observed with an inverted light microscope at 5 × magnification. Data were representative of three independent experiments.

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