权威例句
Esophageal lichen planus: the Mayo Clinic experienceTransitional cell carcinoma growing along an indwelling nephrostomy tube trackImpact of colonoscopy preparation quality on detection of suspected colonic neoplasiaGlobal surveillance of cancer survival 1995–2009:...PSC-IBD: a unique form of inflammatory bowel disease associated with primary sclerosing cholangitisEndosonography-guided fine needle aspiration biopsy in the evaluation of pancreatic massesA prospective, controlled assessment of factors influencing acceptance of screening colonoscopy.Impact of endoscopist withdrawal speed on polyp yield: implications for optimal colonoscopy withdrawal timeConcurrent Inflammatory Bowel Disease and Myelodysplastic SyndromesOutcome differences after endoscopic drainage of pancreatic necrosis, acute pancreatic pseudocysts, and chronic pancreatic pseudocysts