This is video on orphan drug. This is purely exam preparatory video. This will be helpful to students during their exams for quick revision.
Subscribe to my second channel
[ Ссылка ]
![](https://i.ytimg.com/vi/djRey2iMo14/mqdefault.jpg)
This is video on orphan drug. This is purely exam preparatory video. This will be helpful to students during their exams for quick revision.
Subscribe to my second channel
[ Ссылка ]