n.埃斯特纶(醋酯长丝的商标名)
A HPLC method for determination of estradiol patches and its related substances —— estriol and estron was presented.
建立HPLC法测定 雌二醇贴片的含量和有关物质.
And it is well known that estron contribute to the learning andmemory.
但目前关于纳洛酮是否能够改善年龄所致的学习记忆减退的研究尚未见系统报道.