Tetanus toxin can also be found in the serum using a bioassay.

生定法可在血清中发现破伤风毒素。

And then we used these substances to create bioassays that enabled us to discover the first substances that stopped cancer blood vessels and to help stop cancer.

然后们用这些来创建生检，们能够发现第一阻止肿瘤血管的，而帮助阻止肿瘤生长。

But, throughout the 20th century, other methods were explored: the AZ Pregnancy Reaction Test popped up in 1928 and was the first of several " bioassays" or animal-based tests.

但是，整个20世纪，人们都在探索其他的方法：AZ妊娠反应试出现于1928年，是多“生鉴定”或基于动行的试中的第一。

Today's tests still work by measuring HCG. But, throughout the 20th century, other methods were explored; the AZ Pregnancy Reaction Test popped up in 1928 and was the first of several " bioassays" or animal-based tests.

今天的试仍然通过量人绒毛膜促性腺激素来工作。 但在整个20世纪，人们探索了其他方法；AZ怀孕反应试在1928年出现， 是多个“生定” 或基于动的试中的第一个。