权威例句
SEWED SIGNATUREB-166067, MAR. 5, 1969Improving endothelial cell adhesion to vascular graft surfaces: clinical need and strategiesImproving pancreatic islet in vitro functionality and transplantation efficiency by using heparin mimetic peptide nanofiber gelsNewsletter no. 22 Summer 1999/2000: Australian Alps national parksDavid mcconnel smythBook-sewing machineOrnithopterMesh enclosed tissue constructsAnd david m