List of Articles SK-BR-3 Open Access Article Abstract Page Full-Text 1 - The combined cytotoxic effect of capecitabine and melatonin on HER2-positive (SK-BR3) and HER2 negative (MCF-7) cell lines of human breast cancer and determination of superoxide dismutase enzyme activity Sepideh Shayan laya Takbiri Osgoei, Fatemeh Javani jouni