Các câu ví dụ cho từ serum

1. Last week, the vaccine had proven highly immunogenic when tested on 50 mice based on analyses of their serum samples.

2. Botulinum poisoning has never appeared in Vietnam in the past 30 years, so there is no anti-toxin serum in the country, so it has to be imported from abroad.

3. serum samples from the 50 treated mice were later taken, and sent to the National Institute of Hygiene and Epidemiology on May 15 and May 29 for evaluation.