Reducing social isolation and loneliness in older people: a systematic review protocol
Landeiro, Filipa ; Barrows, Paige ; Nuttall Musson, Ellen ; Gray, Alastair M ; Leal, José
BMJ open, 2017-05, Vol.7 (5), p.e013778-e013778 [Periódico revisado por pares]England: BMJ Publishing Group LTD
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