An infrapatellar nerve block reduces knee pain in patients with chronic anterior knee pain after tibial nailing: a randomized, placebo-controlled trial in 34 patients.

Acta Orthop · 2019 · PMC6746275 · PMID 31296091

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might be significantno p-value reported

Anatomic landmarks can of course be distorted by arthritis, and in particular, years after surgery, this might be significant.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.