https://www.selleckchem.com/products/OSI027.html
To evaluate the lateral extent of extrahepatic cholangiocarcinoma, the value of cholangioscopy-guided mapping biopsy (CM compared with that of fluoroscopy-guided mapping biopsy (FM remains unknown. The aim of this study was to compare these two techniques. In this prospective, randomized, crossover study, both CMB and FMB techniques were performed for all patients in a randomized order. Target sites for the mapping biopsy were determined based on resection lines of possible surgical procedures. At least two biopsy strokes were attemp
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