Impaired serial ordering in nondemented patients with mild Parkinson's disease.

PLoS One · 2018 · PMC5955595 · PMID 29768473

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reached borderline significanceno p-value reported

[ 21 ], positive effects of levodopa and the dopamine D2 receptor agonist bromocriptine on serial ordering performance only reached borderline significance (also see [ 22 ]).

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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.