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
Declaration of Helsinki is related to ? 
Select and explain. 
A. Torture, cruel treatment of prisoners, B. Organ Transplantation, C. Medical research involving human subjects, D. Therapeutic abortion
C: Medical research involving human subjects
Answer: C: Medical research involving human subjects 
Explanation: Declaration of HELSINKI is related to Human Experimentation.