Their perception of treatment efficacy provided by other staff (physicians and surgeons) was even lower, 23%.
Their perception of treatment efficacy for other staff was low.
The perception indicates efficacy is very good.
A lone surfer rides a wave in the sunset on the beach
My friend never got worked up.
The cow stood next to the barrel.
The girl is outside.
More people now think that smoking is not harmful.
Two or more people playing a game.