儿童长期新冠的患病率与临床表现：系统评估

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Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

1. 1Comparison of Persistent Symptoms After COVID-19 and Other Non-SARS-CoV-2 Infections in Children2021 · 92 citations
2. 2Electrocardiographic changes in non-hospitalised children with COVID-192022 · 12 citations
3. 3Acute and Persistent Symptoms in Children With Polymerase Chain Reaction (PCR)–Confirmed Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection Compared With Test-Negative Children in England: Active, Prospective, National Surveillance2021 · 53 citations