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Seventy-eight of 113 consecutive patellar tendon anterior cruciate ligament reconstructions (autograft, 47 of 66; allograft, 31 of 47) were evaluated at an average of 34 months. Reconstructions were compared with Lysholm and Tegner knee-rating scales, physical examination findings, instrumented laxity values, single-leg hop distances, and isokinetic(More)
To test the hypothesis that decreased acetylcholine (ACh) metabolism during hypoxia is behaviorally important, the effects of cholinergic drugs and 4-aminopyridine, an enhancer of ACh release, were examined in hypoxic mice. Chemical hypoxia (150 mg/kg NaNO2) reduced tight rope test scores from 13.2 +/- 0.2 to 2.8 +/- 0.3. 4-Aminopyridine partially reversed(More)
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