This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
Peripheral pulmonic stenosis is associated with - 
Select and explain. 
A. Subaoic stenosis, B. Takayasu's aeritis, C. William syndrome, D. Coarctation of syndrome
C: William syndrome
Answer: C: William syndrome 
Explanation: Williams-Beuren syndrome is associated with supravalvar aoic stenosis and peripheral pulmonary aery stenosis in the majority of affected individuals. Among patients in whom surgery for supravalvar aoic stenosis is contemplated, stenosis of the branch pulmonary aeries is common Ref Davidson 23rd edition pg 450