Compared with RIA,the GICA is simple and quick in determination of HCG in urine, but its low sensitivity and zone phenomena should be noted in application.

• 胶体金免疫层析试条具有操作简单、快速等优点,与放射免疫法相比,存在灵敏度低、带现象和不能定量等问题,在临床应用中应加以注意。