Saum, KUDieffenbach, AKJansen, EHJMSchottker, BHolleczek, BHauer, KBrenner, H2025-03-252025-03-2520152592472210.1159/000380881https://rivm.openrepository.com/handle/10029/648445Association between oxidative stress and frailty in an elderly German population: results from the ESTHER Cohort StudyArticleGerontology 2015; 61(5):407-152025-03-25