%0 Journal Article %T Validity of accelerometry in step detection and gait speed measurement in orthogeriatric patients %A Keppler, Alexander M. %A Nuritidinow, Timur %A Mueller, Arne %A Hoefling, Holger %A Schieker, Matthias %A Clay, Ieuan %A Böcker, Wolfgang %A Fürmetz, Julian %J PLoS ONE %V 14 %N 8 %D 2019-08-30 %I Public Library of Science %~ DeepDyve