Studies of cost-effectiveness should include not only direct medical costs, but also societal costs.
Cost effective studies should include direct medical and societal costs
None of the cost studies cover anything
A boy is demonstrating his bike riding expertise.
There was no sound coming from the roof.
The children are standing in front of the metal step that is sticking out of the ground.
The vendor is showing a product.
Neither Lawrence or Mary try to be polite toward me.
A woman is sitting indoors.