results efs induced frequency-dependent relaxation to clasp fibers and some of sling fibers, which was inhibited by l-nna in a concentration-dependent manner and was reversed by l-arginine partially.
结果efs能诱导钩状纤维和部分套索纤维产生频率依赖性舒张。l-nna能抑制此作用,并可被l-精氨酸部分逆转。