编辑同志: 我们兄妹3人,姐姐在外地工作。前不久,我父亲因车祸受重伤去世。去世前,父亲留下口头遗嘱,交代了遗产继承问题。当时由一名亲友代书,我和妹妹在场见证。后来姐姐从外地回来,不同意按父亲的遗嘱分割遗产。请问,我父亲立下的遗嘱还有效吗? 银川市王平王平同志: Edit comrades: 3 of our brothers and sisters, my sister working in the field. Not long ago, my father died of a serious injury in a car accident. Before his death, his father left an oral testament to explain the issue of inheritance. At that time by a relatives and friends, my sister and I were present to witness. Later, my sister came back from the field and disagreed with the division of her inheritance by her father's will. Excuse me, my father's testament is valid? Comrade Wang Ping, Yinchuan City, Comrade: