OBJECTIVE
to investigate the cytotoxic activity of newly synthesized gold(III) complexes [AuCl(2)(en)](+), [AuCl(2) (SMC)](+), [AuCl(2)(DMSO)(2)(+) (en: ethylenediamine, SMC: S-methyl- L-cysteine and DMSO: for dimethylsulfoxide) in 4T1 mouse breast cancer cell line in vitro and in vivo and to