<https://portlandpress.com/bioscirep/article/42/8/BSR-2017-0915_RET/231620/Retraction-Effect-of-different-anesthetic-methods>
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<https://portlandpress.com/bioscirep/article/42/8/BSR-2017-0915_RET/231620/Retraction-Effect-of-different-anesthetic-methods>