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Heid F, Müller N, Piepho T, Bäres M, Giesa M, Drees P, Rümelin A, Werner C. Postoperative analgesic efficacy of peripheral levobupivacaine and ropivacaine: a prospective, randomized double-blind trial in patients after total knee arthroplasty. Anesth Analg. 2008 May;106(5):1559–61, table of contents. doi: 10.1213/ane.0b013e318168b493. PMID: 18420876. |