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Risk factors for bile leakage after primary closure following laparoscopic common bile duct exploration: a retrospective cohort study

Abstraction Background Primary closure following laparoscopic common bile duct exploration (LCBDE) has been widely adopted because of the efficacy and safety in treatment of common bile duct (CBD) stones. However, the risk factors for bile leakage, the most common complication after primary closure, has not been clarified yet. Methods A retrospective cohort study of patients who ...

A reciprocating motion-driven rotation mechanism for the ATP synthase

, 31270804 and 31570778 to Xinmiao Fu). Author contributions Jiafeng Liu, Xinmiao Fu and Zengyi Chang prepared the manuscript. Open Access This article is distributed under the terms of the Creative Commons

An automated and simple method for brain MR image extraction

Background The extraction of brain tissue from magnetic resonance head images, is an important image processing step for the analyses of neuroimage data. The authors have developed an automated and simple brain extraction method using an improved geometric active contour model. Methods The method uses an improved geometric active contour model which can not only solve the boundary ...