But there are several pharmacological and social differences that reduce the relevance of rat research to social policy.
Social differences may have a negative impact on how relevant rat research is to social policy.
Social differences among rats increase the relevance of rat research.
One black dog is running with a tennis ball in his mouth while another dog jogs along
A man is sitting.
Sometimes criminals are not punished for their crimes.
man cooks pot roast.
The men are changing the stone.
He had all daughters and was never able to have a son.