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3 Gines A A Escorsell Gines P Incidence, predictive factors, and prognosis of the hepatorenal syndrome in cirrhosis with ascites [see comments]. Gastroenterology 1993; 105(1):229-36.

4 Vestergaard P K Krogh Rejnmark L Fracture risk is increased in Crohn’s disease, but not in ulcerative colitis. Gut 2000; 46(2):176-81.

5 Von Tirpitz C G Pischulti Klaus J Pathological bone density in chronic inflammatory bowel diseases – prevalence and risk factors (German). Z Gastroenterol 1999; 37(1):5-12.

6 Van Staa TP HG Leufkens Abenhaim L Use of oral corticosteroids and risk of fractures (see comments). Review. J Bone Miner Res 2000; 15(6):993-1000.

7 Lundell LR J Dent Bennett JR Endoscopic assessment of oesophagitis: clinical and functional correlates and further validation of the Los Angeles classification. Gut 1999; 45(2):172-80.

8 Freedman J J Lagergren Bergstrom R Cholecystectomy, peptic ulcer disease and the risk of adenocarcinoma of the oesophagus and gastric cardia. Br J Surg 2000; 87(8):1087-93.

9 McKinney A L Sharp Macfarlane GJ Oesophageal and gastric cancer in Scotland 1960–90. Br J Cancer 1995; 71(2):411-5.

10 Cameron AJ AR Zinsmeister Ballard DJ Prevalence of columnar-lined (Barrett’s) esophagus. Comparison of population-based clinical and autopsy findings. Gastroenterology 1990; 99(4):918-22.

11 Rudolph RE TL Vaughan Storer BE Effect of segment length on risk for neoplastic progression in patients with Barrett’s esophagus. Ann Intern Med 2000; 132(8):612-20.

12 Eloubeidi MA RK Homan Martz MD A cost analysis of outpatient care for patients with Barrett’s esophagus in a managed care setting. Am J Gastroenterol 1999; 94(8):2033-6.

13 Hoofnagle JH KD Mullen Jones DB Treatment of chronic non-A, non-B hepatitis with recombinant human alpha interferon. A preliminary report. N Engl J Med 1986; 315(25):1575-8.

14 Grant D W Wall Mimeault R Successful small-bowel/liver transplantation (see comments). Lancet 1990; 335(8683):1814.