The person(s) responsible for assuring the safety and rights of study participants include:A. Principal Investigator.
C. Data and Safety Monitoring Board.
D. Research Assistant.
E. Study Physician.
G. All of the above.
The Knowledge website provides schoolchildren and everyone with the opportunity to get an answer online to any question related to the school curriculum. It is online service, so questions immediately appear on the site. You can ask questions in various subjects: mathematics, Russian, English, chemistry, algebra, etc.
Questions can be answered by professional teachers or anyone else. Next to each question is the time when the question was asked and the number of answers. The person who asked the question can follow the answers and choose the most correct, accurate and detailed answer. All questions are promptly answered.