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
Anitschow cells are found in all except: 
Select and explain. 
A. Sickel cell aneamia, B. Thalassemia, C. Apthous ulcer, D. Rheumatic heart disease.
B: Thalassemia
Answer: B: Thalassemia 
Explanation: In thalassemia hair pin cells , target cell are found.