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目的：评价联合激素疗法治疗原因不明的复发性潜隐性胃肠出血的疗效及安全性。方法：采用前瞻性纵向型观察研究方法。病例选自一家附属于一所大学的附属大医院的私人营业所的门诊病人。共４３例，男１４例，女２９例，平均年龄７４岁（４８～８６岁）。他们均有一年以上起因不?
Objective: To evaluate the efficacy and safety of combined hormonal therapy in the treatment of recurrent latent gastrointestinal bleeding of unknown etiology. Methods: A prospective longitudinal observation study was used. Cases were taken from an outpatient attached to a private establishment attached to a major hospital in a university. A total of 43 cases, 14 males and 29 females, with an average age of 74 years (48 to 86 years old). They have a cause more than a year or not?