A good study is not done in a few days.
"But I think that the only way we will know is to have good studies in human beings."
But he added, "What we need are some good, solid studies that support them."
She would have made a good study for a painter.
There are no good studies looking at long-term nutrition and its effects.
Then you do not yet know what a good study is!
A good study is not just interesting, giving you something to read.
Mac closed the door behind him and took a good long study of her.
It would be useful to have some good studies of that question.
It is of no help at all to have good studies if they are lying in a drawer.