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
Eighty percent of all salivary stones occur in 
Select and explain. 
A. Parotid, B. Submandibular, C. Sublingual, D. Minor salivary glands
B: Submandibular
Answer: B: Submandibular 
Explanation: None