Gemcitabine HCl 122111-03-9 C9H11F2N3O4.HCl White or off- white powder ; 99% metastatic non-small-cell lung cancer; pancreatic cancer; Bladder cancer; Breast Cancer OTHERS: Gefitinib ( research purpose) 184475-35-2 C22H24ClFN4O3 white crystalline ; water98% pancreatic cancer; non-small-cell lung cancer; Breast Cancer; ovarian cancer; Bladder cancer; Anti-Variola virus.