仿真排粪造影与钡液法排粪造影诊断出口梗阻性便秘的对比研究
방진배분조영여패액법배분조영진단출구경조성편비적대비연구
The Comparative Study of Simulation Defecography and Liquid Barium Defecography in the Diagnosis of Outlet Obstructive Constipation