Obstruction in pulmonary stenosis may occur at the following sites:
d. All of the above(Ref: Nelson's 20/e p 2211-2217, Ghai 8/e p 420-423)Pulmonary stenosis can occur due to obstruction at supravalvular, valvular or subvalvular level.
Supravalvular
Valvular
Subvalvular
All of the above
C.V.S.