He said the company changed its policy in response to public concerns.
The report was the company's first as a public concern.
In 1989, after public concern died down, both went back into the business.
"This is a public health concern and something we need to pay attention to."
It was made in response to growing public concern over the quality of teacher training.
It also, however, had come to be seen as a cause of public concern.
Public concern was not limited to the issues of policy, however.
That happens often enough to be a matter for public concern.
It was first discovered in 1961 but did not become a major public health concern until the early 1990s.
Shows how much public concern there is about this crisis.