[文献资料]参 考 文 献

2 .杜伯林，邓建林，梁小平，等．轮缘征在CT诊断输尿管结石中的价值．临床放射学杂志，1999，18：98-99.Posterior urethral valves with vesical calculus：A rare association .Noninvasive assessment of acute ureteral obstruction with diffusion-weighted MR imaging：a prospective study .Acute abdominal pain： ......