4Farrell RJ,LaMont JT.Rational approach to iron-deficiency anaemia in premenopausalwomen[J].Lancet,1998，352(9145):1953～4.
5Hardwick RH,Armstrong CP.Synchronous upper and lower gastrointestinal endoscopy isan effective method of investigating iron deficiency anaemia[J].Br-J-Surg,1997，84(12):1725～1728.
6Dickey W,Kenny BD,McMillan SA,etal.Gastric as wellasduodenal biopsies may beusefulin the investigation of iron deficiencyanaemia[J].Scand-J-Gastroenterol,1997;32(5):469～472.
