免疫组化标记胎盘泌乳素、上皮细胞膜抗原呈阳性或强阳性。
The immunohistochemical marks of EPS, HPL and EMA, were positive or strongly positive.
方法：通过免疫组织化学方法观察30例早期自然流产患者胎盘中增殖细胞核抗原、纤粘连蛋白的表达。
Methods: The expression of PCNA and fibronectin in placenta of 30 patients with early abortion were detected by immunohistochemistry.
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