Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Maria-Eugenia Prieto-Flores and Maria João Forjaz and Gloria Fernandez-Mayoralas and Fermina Rojo-Perez and Pablo Martinez-Martin,Factors Associated With Loneliness of Noninstitutionalized and Institutionalized Older Adults,Journal of Aging and Health,0898-2643,SAGE Publications,2010-09-29,23,1,177-194,https://cir.nii.ac.jp/crid/1363388846087485824,https://doi.org/10.1177/0898264310382658