Masket sub-tenon anesthesia cannula, 19 gauge, curved, 0.3mm dual side ports, 27.0mm overall length excluding hub | Ambler Surgical
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Sub-Tenon anesthesia cannula, 19 gauge, curved, 3 ports, 25.0mm overall length excluding hub | Ambler Surgical
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A review of sub-Tenon's block: current practice and recent development | European Journal of Anaesthesiology | Cambridge Core
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