Cheng, Hang Performance of Harmonic devices in surgical oncology: an umbrella review of the evidence. [electronic resource] - World journal of surgical oncology Jan 2018 - 2 p. digital Publication Type: Journal Article; Systematic Review ISSN: 1477-7819 Standard No.: 10.1186/s12957-017-1298-x doi Subjects--Topical Terms: HumansNeoplasms--surgeryOperative TimePrognosisSurgical InstrumentsSurgical Oncology--instrumentation