drug/clearance的用法和样例：
例句
- Some applications of phenotyping &genotyping of drug metabolizing enzymes are also introduced.
最后主要讨论了表型分型和基因分型在药物代谢酶研究中的一些应用。 - Moreover, physicians are unsure how to apply the drug metabolism information from pharmacogenomics tests in their prescribing decisions.
同时，医生也不确定如何将药物基因组学中经由测试所得到的药物代谢资讯，应用到诊断中。
