在马柯维茨假设的基础上探讨了证券投资组合的有效边界和无差异曲线的基本特性，进而提出了一种选择最优证券投资组合的分析方法，并对......

We report a case of a 64-year-old woman with anaplastic carcinoma of the pancreas(ACP) with cyst formation and review 60......