: (((((((((((impact[All Fields] AND (ffrft[Filter])) OR (Effect[tiab] AND (ffrft[Filter]))) OR (Results[tiab] AND (ffrft[Filter]))) OR (Influence[tiab] AND (ffrft[Filter]))) OR (Consequences[tiab] AND (ffrft[Filter]))) AND ("COVID-19"[All Fields] OR "COVID-19"[MeSH 术语] AND (ffrft[Filter]))) AND (confinement[All Fields] AND (ffrft[Filter]))) OR ("quarantine"[MeSH 术语] ORquarantine[tiab] AND (ffrft[Filter]))) AND ("exercise"[MeSH 术语] OR physical activity[tiab] AND (ffrft[Filter]))) OR (physical exercise[tiab] AND (ffrft[Filter]))) AND ("成人" [MeSH 术语] 或 成人[tiab] AND (ffrft[过滤器]))) AND ("糖尿病,2 型" [MeSH 术语] 或 2 型糖尿病[tiab] AND (ffrft[过滤器])) 过滤器:免费全文