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* 1. It is cost effective to employ an anesthesiologist alone.

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* 2. Anesthesiologist assistants (AAs) must always be supervised by a physician.

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* 3. The types of services make a difference on who completes the case.

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* 4. Flexing can mean different things.

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* 5. Labor costs are the primary driver for coverage services.

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* 6. Services provided by anesthesiologists, certified registered nurse anesthetists (CRNA) and anesthesiologist assistants (AA) are the same.

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