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: Medicine
[{'content': "All are Splenic percussion techniques, EXCEPT: \nSelect and explain. \nA. Castel's method, B. Nixon's method, C. Barkun method, D. Nocolski's method", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Percussion for splenic dullness is accomplished with any of three techniques described by Nixon, Castell or Barkun. Ref: Harisson, Edition - 18, Page - 468', 'role': 'assistant'}]