Does scalp block with general anesthesia in craniotomy affect the intraoperative course and outcome in geriatric patients?

Citation:
WAGIH, O. M. A. R., G. Zohry, hesham abdel wahab, and S. Osman, "Does scalp block with general anesthesia in craniotomy affect the intraoperative course and outcome in geriatric patients?", Ain-Shams Journal of Anesthesiology , vol. 8, pp. 25-30, 2015.
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