Bracketing for process validation. I have to validate the same process for 3 strengths of the same product (the only difference is the quantity of API, compensated by the quantity of one of the excipient). I have been told that bracketing could be used for process validation, only if strongly justified.
World Book Day is an annual event celebrated every year by the people all over the world on 23 rd of April. It is the most important event organized annually by the UNESCO in order to promote the reading, publishing and copyright among the public worldwide.
Earth Day. Earth Day is an annual event celebrated on April 22. Worldwide, various events are held to demonstrate support for environmental protection. First celebrated in 1970, Earth Day events in more than 193 countries are now coordinated globally by the Earth Day Network.