References
- Gordon SR, Smith RE, Power GC. The role of endoscopy in the evaluation of iron deficiency anemia in patients over the age of 50. Am J Gastroenterol 1994; 89(11): 1963–7
- Rockey DC, Cello JP. Evaluation of the gastrointestinal tract in patients with iron deficiency anemia. N Engl J Med 1993; 329(23): 1691–5
- Cook IJ, Pavli P, Riley JW, et al. Gastro intestinal investigation of iron deficiency anaemia. Br Med J (Clin Res Ed) 1986; 292(6532): 1380–2
- Richter JM. Occult gastrointestinal bleeding. Gastroenterol Clin North Am 1994; 23(1): 53–66
- Silverstein FE. Endoscopy. In: Braunwald E, Isselbacher KJ, Petersdorf RG, et al. Harrison's principles of internal medicine. 11th ed. New York: McGraw-Hill, 1987: 1225–8
- Zuckerman G, Benitez J. A prospective study of bidirectional endoscopy (colonoscopy and upper endoscopy) in the evaluation of patients with occult gastrointestinal bleeding. Am J Gastroenterol 1992; 87(1): 62–6
- Hsia PC, Al-Kawas FH. Yield of upper endoscopy in the evaluation of asymptomatic patients with Hemoccult-positive stool after a negative colonoscopy. Am J Gastroenterol 1992; 87(11): 1571–4
- McIntyre AS, Long RG. Prospective survey of investigations in outpatients referred with iron deficiency anaemia. Gut 1993; 34(8): 1102–7
- Power GC, Smith RE. Prevalence of occult celiac disease in adults with iron deficiency anemia. Presented before 56th Annual Scientific Meeting, American College of Gastroenterology. Boston: 1991 Ort 14–16
- Gordon SR, Smith RE. Long term follow-up of older patients with iron deficiency anemia after a negative gastrointestinal evaluation. (Abstr) Gastroenterology 1994; 106(4): A235
- Maglinte DD, Herlinger H. Small bowel radiography: an overview. Dig Dis Sci 1984; 29(11): 1057–9
- Goldberg HI, Jeffrey RB. Overview [of small-bowel examination]. In: Margulis AR, Burhenne HJ. Alimentary tract radiology. 3d ed, vol 1. St Louis: Mosby, 1983: 1020–9
- Rex DK, Lappas JC, Maglinte DD, et al. Enteroclysis in the evaluation of suspected small intestinal bleeding. Gastroenterology 1989; 97(1): 58–60
- Ress AM, Benacci JC, Sarr MG. Efficacy of intraoperative enteroscopy in diagnosis and prevention of recurrent, occult gastrointestinal bleeding. Am J Surg 1992; 163(1): 94–9
- Morris AJ, Wasson LA, MacKenzie JF. Small bowel enteroscopy in undiagnosed gastrointestinal blood loss. Gut 1992; 33(7): 887–9
- Foutch PG, Sawyer R, Sanowski RA. Push-enteroscopy for diagnosis of patients with gastrointestinal bleeding of obscure origin. Gastrointest Endosc 1990; 36(4): 337–41