This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Human experimentation is carried out following? 
Select and explain. 
A. Helisinki declaration, B. Casper dictim, C. Geneva convention, D. Vincent Collins formula
A: Helisinki declaration
Answer: A: Helisinki declaration 
Explanation: Ans. is 'a' i.e., Helisinki declaration