Color Doppler flow imaging study on the changes of collateral circulation between portal superior vena cava and azygos vein before and after endoscopic ligation of the esophageal varix

  • 彩超研究食管静脉结扎术前后门、奇静脉侧枝循环的变化

  • 互联网摘选 2025-01-19 23:30:42

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