clinical trial的基本类型有：
举一反三
- 单词意思：clinical trial
- Which of the following is the newly included “clinical diagnosis” in the COVID-19 Diagnosis and Treatment Plan (Edition 5th, Trial)? A: Etiological diagnosis B: Detect pathogens from clinical specimens C: The clinical symptoms are very obvious, but the etiological examination is negative D: Diagnosis based on Koch's postulates E: Neither of all above
- Reliable information should be available to （） A: for some patients B: before participation C: in humans D: medical knowledge E: during the trial F: candidates for clinical trials
- 在PUBMED数据库中要查看某个检索结果的临床试验(Clinical Trial)方面的文献，应该在哪项过滤功能中查找？（ ）
- These pills can be obtained by ____ only. A: prescription B: abused C: hooked D: alert E: property F: desperate G: clinical H: H. trial I: I. craving J: J. addiction