Methods The microvessel density(MVD)was determined by immunohistochemical SP method using a monoclonal antibody to CD34 in samples of 40 gastric carcinoma and 10 normal gastric tissue.

• 方法采用免疫组织化学SP法，用抗血管内皮CD34单克隆抗体对40例胃癌及10份正常胃组织标本进行标记分析。