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: Pathology
NESTROF test is used in screening of - 
Select and explain. 
A. Thalassemia, B. Autoimmune hemolytic anemia, C. Spherocytosis, D. G6PD deficiency
A: Thalassemia
Answer: A: Thalassemia 
Explanation: None