Application of butorphanol anesthesia to errhysis in the epidural catheter Epidural Puncture Catheter into the Blood Vessels Precursor Indications and Methods to Circumvent 布托啡诺在硬膜外麻醉中导管内渗血的应用硬膜外腔麻醉穿刺置管困难的临床观察
Study of asepsis string preventing errhysis from transfixion pinpoint in hemodialysis 无菌线绳预防血液透析过程中穿刺针眼渗血的研究