%0 Journal Article %T Retrospective analysis of high intensity focused ultrasound combined with S-1 in the treatment of metastatic pancreatic cancer after failure of gemcitabine %A Kun Wang %A Leizhen Zheng %A Xiaoping Li %A Zhiqiang Meng %J Archive of "American Journal of Cancer Research". %D 2016 %K Pancreatic neoplasm %K high intensity focused ultrasound therapy %K S-1 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4759399/