51955document32352Differences in physical aging measured by walking speed.pdfapplication/pdf8eb567e1caa08a331664b428ab33bfa8MD55161442016-02-09 09:19:48https://pure.iiasa.ac.at/id/eprint/11861/1/Differences%20in%20physical%20aging%20measured%20by%20walking%20speed.pdf