常见例句Relationship Between the Expression of PDGF and PDGFR and MVC in the Gastric Carcinoma PDGF,PDGFR在胃癌组织中的表达及与微血管计数的关系PDGFRβ PDGFRβPDGFRβ gene PDGFRB基因PDGFRα PDGFRα 返回 PDGFR