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: Surgery
Which of the following is the preferred local
anesthetic technique for hemophiliacs? 
Select and explain. 
A. Nerve block, B. Supraperiosteal, C. Intraligamentary, D. Field block
C: Intraligamentary
Answer: C: Intraligamentary 
Explanation: None