Calado, Larissa Barradas, Eduardo Ferriolli, Júlio César Moriguti, Edson Zangiacomi Martinez, and Nereida Kilza da Costa Lima. 2016. “Frailty Syndrome in an Independent Urban Population in Brazil (FIBRA study): A Cross-Sectional Populational Study”. São Paulo Medical Journal 134 (5):385-92. https://periodicosapm.emnuvens.com.br/spmj/article/view/1145.