Methods Serum levels of endostatin were measured by an enzyme-linked immunosorbent assay (ELISA) in 44 patients with lung cancer, 20 patients with benign lung diseases and 20 normal persons.
方法应用酶联免疫吸附试验(ELISA法)，测定44例原发性肺癌、20例肺部良性疾病和20例正常人血清内皮抑素含量。
Methods Serum levels of endostatin were measured by an enzyme-linked immunosorbent assay (ELISA) in 44 patients with lung cancer, 20 patients with benign lung diseases and 20 normal persons.
方法应用酶联免疫吸附试验(ELISA法)，测定44例原发性肺癌、20例肺部良性疾病和20例正常人血清内皮抑素含量。
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