| The surgeon and assistant perform a craniotomy while the scrub person sterilely drapes the surgeon's and assistant's chairs and the microscope. |
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| The pale white light floated evenly, sterilely, from a spot on the western horizon. |
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| Additional equipment is immediately available but remains sterilely packaged ready to be opened if a median stemotomy becomes necessary. |
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| After the induction of general anesthesia and sterilely preparing the patient's chest, abdomen and groin, a vertical midline median sternotomy was performed. |
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