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Effects of Doxorubicin, Camptothecin and Ciprofloxacin on in vitro HaCaT cell growth. The cell growth is expressed as a percentage of the OD measured on untreated cells (Control) assumed as 100% of cell viability. (a) Cytotoxic activity measured by a 24‐h test. (b) Antiproliferative activity measured by a 7‐day proliferation test. Circles: Doxorubicin; squares: Camptothecin; triangles: Ciprofloxacin. Each value represents the mean ± SE of three experiments performed in triplicate.
