Cia_a_295522 731..738
semanticscholar(2021)
摘要
1Department of Medicine, Division of Geriatric Medicine, Dalhousie University, Halifax, Nova Scotia, Canada; 2Canadian Center for Vaccinology, Halifax, Nova Scotia, Canada; 3Division of Geriatrics, Duke University Medical Center and GRECC, Durham Veterans Affairs Medical Center, Durham, North Carolina, USA; 4Department of Family Medicine, Dalhousie University, Halifax, Canada; 5Health Sciences North Research Institute, Sudbury, Ontario, Canada
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