%0 Journal Article %T Factors associated with change in self-reported physical activity in the very old: The Newcastle 85+ study %A Antoneta Granic %A Avan A. Sayer %A Eduwin Pakpahan %A Germaine Uwimpuhwe %A Karen Davies %A Rachel Duncan %A Richard M. Dodds %A Sian Robinson %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0218881 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6634376/