Read more about "Introduction to Intravaginal ring (IVR) and its application in various drug delivery system" at following links,
MPSC Ok I Will Do It: Introduction to Intravaginal ring (IVR) and its application in various drug delivery system
How to use The Drug Directory?
To use The Drug Directory you have to first go through the alphabetical way. Means you want information about paracetamol then select P from drug directory and then choose Paracetamol to get complete information. It is very simple to know more about your drug. You can post comment to additional information or getting suggestions from experts on prescribed drug.