potency 藥效

potency
繁：藥效
简：药效

對於甘草功效，袁國勇指現時沒有任何一種藥物經過有交叉對照的研究，難下判斷哪種藥物有效，而三氮唑核的藥效值得研究，但研究需要三百多個沙士病人參與，故「希望呢個研究唔使做」。

袁國勇：甘草抗炎藥效難判斷（2003年6月14日）。蘋果日報，取自 http://hk.apple.nextmedia.com/news/art/20030614/3352850

He said a number of his colleagues believed the Sars virus may also be losing some of its potency as it moves from one generation of patients to the next.

YOUR GUIDE TO SARS. (2003, April 3). South China Morning Post. Retrieved from http://www.scmp.com/article/411361/your-guide-sars