TY - JOUR A1 - Calderón-Larrañaga, A. A1 - Dekhtyar, S. A1 - Vetrano, D.L. A1 - Bellander, T. A1 - Fratiglioni, L. T1 - COVID-19: Risk accumulation among biologically and socially vulnerable older populations Y1 - 2020 DO - 10.1016/j.arr.2020.101149 VL - 63 ER -