Resisdent: Yes, I did. the culdocentesis is positive , I drew the incoagulable blood from the pelvis. 主任医师：你有没有做后穹窿穿刺以明确后穹窿积液的性质？
The easiest way to diagnose the ectopic pregnancy is to puncture and get some incoagulable blood from pars posterior fornicis vaginae . （经阴道后穹抽出不凝血为诊断宫外孕的最简单的办法。）
Study on Blood Incoagulable Mechanism of Traumatic Intraperitoneal Hemorrhage 创伤性腹腔内出血血液不凝机制的研究
