This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
Abnormalities of copper metabolism are implicated in the pathogenesis of all the following ExceptEXPL 
Select and explain. 
A. Wilson's disease, B. Menkes Kinky-hair syndrome, C. Indian childhood cirrhosis, D. Keshan disease
D: Keshan disease
Answer: D: Keshan disease 
Explanation: (Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 344)