Impact of the operator's experience on value of high-resolution transabdominal ultrasound in the diagnosis of choledocholithiasis: A prospective comparison using endoscopic retrograde cholangiography as the gold standard.
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- Scandinavian Journal of Gastroenterology, 2006, v. 41, n. 7, p. 838, doi. 10.1080/00365520500515370
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- Article