Media type: E-Article Title: Effects of different exercise interventions on heart rate variability and cardiovascular health factors in older adults : a systematic review Contributor: Grässler, Bernhard [Author]; Thielmann, Beatrice [Author]; Böckelmann, Irina [Author]; Hökelmann, Anita [Author] Published: 2021 Published in: European review of aging and physical activity ; 18(2021), Artikel-ID 24 Language: English DOI: 10.1186/s11556-021-00278-6 Identifier: Origination: Footnote: Access State: Open Access