TY - JOUR A1 - Pittavino, M. A1 - Arpino, B. A1 - Pirani, E. T1 - Kinlessness at older ages: Prevalence and heterogeneity in 27 countries Y1 - 2025 DO - 10.1093/geronb/gbae180 VL - 80 IS - 1 ER -