Relationship between chronic pain, depressive symptoms, and functional disability in community-dwelling older adults: mediating role of frailty - Borim, Flávia Silva Arbex; Assumpção, Daniela de; Yassuda, Monica Sanches; Costa, Henrique Trajano de Moraes; Batistoni, Samila Sathler Tavares; Neri, Anita Liberalesso; Voshaar, Richard C. Oude; Aprahamian, Ivan (Einstein, 2023)