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
Milk is deficient in:(1994) 
Select and explain. 
A. Calcium, B. Vitamin A, C. Vitamin D, D. Iron
D: Iron
Answer: D: Iron 
Explanation: Ans: dRef: Park, 17th ed, p. 429, Table (21) & 18th ed, p. 455, Table (21)