Cook, T. M., Counsell, D., Wildsmith, J. A. W. Major complications of central neuraxial block: report on the Third National Audit Project of the Royal College of Anaesthetists (англ.) // BJA: British Journal of Anaesthesia[англ.] : journal. — 2009. — Vol. 102, no. 2. — P. 179—190. — doi:10.1093/bja/aen360.
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Cook, T. M., Counsell, D., Wildsmith, J. A. W. Major complications of central neuraxial block: report on the Third National Audit Project of the Royal College of Anaesthetists (англ.) // BJA: British Journal of Anaesthesia[англ.] : journal. — 2009. — Vol. 102, no. 2. — P. 179—190. — doi:10.1093/bja/aen360.