Surgery on the biliary tract has posed a challenge for the surgeon. The anatomic anomalies in this area demand careful identification of the relevant structures. Apart from anatomic variations, there are congenital anomalies of biliary tree that arise from normal morphological development; variations in the division of the extra hepatic biliary ducts are very frequent and understandable by the ...

abstract this study scrutinized the interaction between linguistic and strategic variables in reading comprehension test performance of iranian efl learners. to this end, the interaction among the participants’ reading comprehension test performance, use of test-taking strategies, and level of language proficiency was analyzed. the participants comprised 286 students who answered a reading comp...

AIMS To test the hypothesis that cumulative exposure to insulin and long-acting insulin analogs might be associated with cancer mortality in diabetes patients. METHODS All consecutive diabetes patients aged over 40 years, residing in a major urban area were screened at their first diabetes outpatient visit between 01/01/2001-12/31/2008 (n = 79869). Exclusion criteria were insulin treatment at...

BACKGROUND We conducted a randomized trial to evaluate the opioid-sparing effect of an intraoperative infusion of dexmedetomidine (DEX) after craniotomy. METHODS Sixty adult patients scheduled for craniotomy were divided randomly into group A (DEX infusion at 0.5 μg/kg/h for 10 min and then adjusted to 0.2 to 0.5 μg/kg/h from tracheal intubation to incision suturing) and group B (0.9% saline ...