"This failure to complete the basic quality assurance checks Pearson confirmed that they had completed is deeply disturbing, " city schools Chancellor Dennis Walcott said in a prepared statement.

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Healthcare quality organizations, like the National Committee for Quality Assurance suggest that millions of people in the United States do not receive the basic recommendations for preventive health services such as immunizations, pap smears, mammograms, colorectal cancer screenings and the like.

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