"The Department of Managed Health Care, which regulates the vast majority of health plans in California, said Monday it will investigate Hartford, Ct.-based Aetna after CNN first reported Sunday that one of the company's medical directors had testified in a deposition related to the lawsuit that he did not examine patients' records before deciding whether to deny or approve care. Rather, he relied on information provided by nurses who reviewed the records -- and that was how he was trained by the company, he said."

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