[案情简介 ] 夏某，男， 35岁，大专文化，鄂西北某县卫生院主治医师，劳动合同制工人。 1984年 9月参加工作， 1988年秋被单位选派到某高校深造三年，作为回报，单位提出夏某毕业后回原单位工作时间不得少于十年，双方并就此签订了劳动合同。到了 1998年卫生院经济效益急转 [Case Profile] Xia Mou, male, 35 years old, college culture, Hubei Northwest County Hospital attending physician, labor contract workers. In 1984 September to participate in the work, the autumn of 1988 was selected units to a university for further study for three years, in return, the unit proposed Xiamou after graduation back to the former unit of working time shall not be less than ten years, the two sides signed a labor contract. In 1998, the economic efficiency of hospitals was rapidly reversed