The double vulnerability of elderly caregivers: multimorbidity and perceived burden and their associations with frailty - Alves, Erika Valeska da Costa; Flesch, Letícia Decimo; Cachioni, Meire; Neri, Anita Liberalesso; Batistoni, Samila Sathler Tavares (Revista Brasileira de Geriatria e Gerontologia, 2018)