<https://www.iasp-pain.org/publications/pain-research-forum/papers-of-the-week/paper/206527-evolution-physical-function-cognition-depressive-mood-and-quality-life-during-covid-19/>
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<https://www.iasp-pain.org/publications/pain-research-forum/papers-of-the-week/paper/206527-evolution-physical-function-cognition-depressive-mood-and-quality-life-during-covid-19/>