Association of frailty with functional difficulty in older Ghanaians: stability between women and men in two samples with different income levels: stability between women and men in two samples with different income levels - Nestor Asiamah; Emelia Danquah; Edgar Ramos Vieira; Peter Hjorth; Reginald Arthur-Mensah Jnr; Simon Mawulorm Agyemang; Hafiz T. A. Khan; Cosmos Yarfi; Faith Muhonja (BMC Geriatrics, 2024)