Objective: To evaluate the value of thick and thin barium in defecography for diagnosis of five kinds of anorectal functional disorders.
目的：评价稠、稀钡两种造影剂对五种肛直肠功能性疾病的诊断价值。
Methods: The comparative study on defecography with thick and thin barium was conducted in 150 patients with clinical anorectal symptoms such as defecation disorders and constipation.
方法：对150例有肛直肠症状，如排便困难、便秘患者用稠、稀钡两种造影剂作比较研究。
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