例句 /

Acute massive gastrointestinal (GI) bleeding patients with negative endoscopic findings are frequently referred for emergent visceral angiography.

Acute massive gastrointestinal (GI) bleeding patients with negative endoscopic findings are frequently referred for emergent visceral angiography.

摘要急性胃肠出血病人常因为内视镜找不到出血点而接受紧急血管摄影检查。