英语语法分析

Standard arteriovenous graft access requires 2 weeks before cannulation to avoid complications from early access.

标准动静脉穿刺前访问需要避免并发症的早期访问2周。

This review focuses on the etiology, diagnosis, cannulation, and endoscopic management of benign biliary stricture.

此文就良性胆管狭窄的病因、诊断、插管以及内镜下治疗作一综述。

Objective:To provide anatomic data for radial artery cannulation(RAC)and coronary angiography(RAACA)through radial artery approach.

目的：为桡动脉置管和经桡动脉冠状动脉造影的临床应用提供解剖学依据。