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机译:Measuring attachment to life in old age: the Portuguese version of the Positive Valuation of Life Scale (Positive VOL)
University of Porto, Rua de Jorge Viterbo Ferreira n.潞 228, edif铆cio 2, piso 3, Porto, Portugal;
Portugal;
SwitzerlandGermany;
Old; Portugal; Quality of Life; Validation studies; Very old age;