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: ENT
Microlaryngoscopy was staed by: 
Select and explain. 
A. Bruce Benjamin, B. Kleinsasser, C. Chevalier Jackson, D. None
B: Kleinsasser
Answer: B: Kleinsasser 
Explanation: The present day microsurgical techniques of the larynx are a credit to Kleinsasser.