@article{Beller2023, author = {Beller, Johannes and Luy, Marc and Giarelli, Guido and Regidor, Enrique and Lostao, Lourdes and Tetzlaff, Juliane and Geyer, Siegfried}, year = {2023}, pages = {477-499}, title = {Trends in Activity Limitations From an International Perspective: Differential Changes Between Age Groups Across 30 Countries}, volume = {35}, journal = {Journal of Aging and Health} }