So, in the end, there's no such thing as a freedrug.
所以，最终来看，天下没有免费药。
2
The inhibitory effect on growth of breast cancer xenograft in nude mice was 95% for CM-1-PYM conjugate and 58%for freedrug.
药物（平阳霉素；PYM）偶联物对裸鼠移植乳腺癌生长的抑瘤率为95％，而同等剂量的游离药物为58％。
3
Method: Ultrafiltration and HPLC were employed to measure the conc. of freedrug. The difference in protein-binding between cefotaxime alone and together with metronidazole was examined.