In drug development, there are four distinct phases of clinical development – Phase 1, Phase II, Phase III and Phase IV .
For more information please visit, [ Ссылка ]
![](https://i.ytimg.com/vi/ep3CBozr5IU/maxresdefault.jpg)
In drug development, there are four distinct phases of clinical development – Phase 1, Phase II, Phase III and Phase IV .
For more information please visit, [ Ссылка ]