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CONTEXT To demonstrate a comprehensive review of published articles regarding EUS-guided biliary drainage. METHODS Review of studies regarding EUS-guided biliary drainage including case reports, case series and previous reviews. RESULTS EUS-guided hepaticogastrostomy, choledochoduodenostomy and choledochoantrostomy are advanced procedures on biliary and pancreatic endoscopy and together mak...

purpose: compaison of excyclotorsion induced by horizontal transposition of vertical rectus muscles versus vertical transposition of horizontal rectus muscles in rabbit eyes. methods: in this exprimental study, group 1 underwent full tendon nasal transposition of the superior rectus and full tendon temporal transposition of the inferior rectus (10 adult rabbits); group 2 underwent superior tran...

aortoenteric fistula is a rare but significant clinical entity associated with high morbidity and mortality if remain untreated. clinical presentation and imaging findings may be subtle and prompt diagnosis can be difficult. herein, we present a patient who initially presented with abdominal pain and computed tomography showed an aortic aneurysm compressing duodenum without any air bubbles. one...

nowadays, due to recent developments and researches in dental science, it is possible to preserve and restore previously extracted cases such as teeth with extensive caries, fractured or less appropriate cases for crown coverage as well as teeth with external perforation caused by restorative pins. in order to restore the teeth with preservation of periodontium, we should know thoroughly physio...

The study analyzes action research in educational practice and its contribution to the quality of education. author describes difference between random application methods, tools, or non-standard procedures a teacher's work teachers 'views on research, as well teachers' attitudes research.

Restriction of range occurs whenever design or circumstances abbreviate the values of one or both variables being correlated. Range restriction has an impact on score validity, score reliability, and statistical power. As a result, researchers need a more sophisticated concept of the relationship between.variance and correlation than the simple assumption that when variance goes down, correlati...

Multilevel logistic regression models are increasingly being used to analyze clustered data in medical, public health, epidemiological, and educational research. Procedures for estimating the parameters of such models are available in many statistical software packages. There is currently little evidence on the minimum number of clusters necessary to reliably fit multilevel regression models. W...

background: health records serve several purposes and must be retained to meet those purposes. these varied purposes influence how long health records must be kept, or their retention period. the present study aimed to recognize laws and procedures related to retention of health records in selected countries and provide a proposed guideline for iran. methods: this was an applied, descriptive-co...