This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
Calcium content is maximum in which milk? 
Select and explain. 
A. Buffalo, B. Cow, C. Goat, D. Human
A: Buffalo
Answer: A: Buffalo 
Explanation: Calcium content in buffalo milk-210mg,cow-120mg,goat-170mg human milk-28.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-582 table 21.