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
[{'content': "All tests are used to detect live bih, except: NEET 14 \nSelect and explain. \nA. Ploucquet's test, B. Fodere's test, C. Gettler's test, D. Raygat's test", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. Gettler's test", 'role': 'assistant'}]