phase II

英 美
  • 第二阶段
  • ii n.二adj.表示二的
  • phase n.相位;方面;局面;阶段;时期vt.逐步执行
Noun:
  1. a clinical trial on more persons than in phase I; intended to evaluate the efficacy of a treatment for the condition it is intended to treat; possible side effects are monitored