Epirubicin (E) In Combination With Cisplatin (Cddp) And Capecitabine (C) Versus Docetaxel (D) Combined With 5-Fluorouracil (5-Fu) By Continuous Infusion (Ci) As Front-Line Therapy In Patients With Advanced Gastric Cancer (Agc): Preliminary Results Of A Randomised Phase Ii Trial Of The Gruppo Oncologico Dell'Italia Meridionale