Method H?3?cAMP was used in protein binding assay to determine the level of cAMP in bovine BTC.

• 方法运用蛋白竞争结合法用氚（H3）标记的环磷酸腺苷（adenosine3，5?cyclicmonphos?phate，cAMP）测定牛眼小梁细胞内cAMP的含量。