Qing, Shui-Wang Dose escalation of Stereotactic Body Radiotherapy (SBRT) for locally advanced unresectable pancreatic cancer patients with CyberKnife: protocol of a phase I study. [electronic resource] - Radiation oncology (London, England) Jan 2017 - 6 p. digital Publication Type: Clinical Trial, Phase I; Journal Article ISSN: 1748-717X Standard No.: 10.1186/s13014-016-0760-1 doi Subjects--Topical Terms: AdultAgedFemaleHumansMaleMaximum Tolerated DoseMiddle AgedPancreatic Neoplasms--radiotherapyRadiosurgery--methodsRadiotherapy DosageResearch Design