Prostate - specific antigen ( PSA ) is a well characterized human prostate specific glycoprotein.摘要前列腺特定抗原 ( PSA ) 为一已经定性清楚之人类前到腺特定醣蛋白.Purpose : To study antigenic epitopes and expression of P glycoprotein.目的: 研究P糖蛋白抗原表位...
The washbasin had a small chip.脸盆边上有个小豁口。There is a ring of scum in the washbasin.这个脸盆内有一圈污垢.Can you do something about the pipe beneath the washbasin?你把水槽下面的管子修一修好 吗 ?...