TY - JOUR A1 - Wahrendorf, M. A1 - Reinhardt, J.D. A1 - Siegrist, J. T1 - Relationships of disability with age among adults aged 50 to 85: Evidence from the United States, England and continental Europe Y1 - 2013 DO - 10.1371/journal.pone.0071893 VL - 8 IS - 8 ER -