Reynolds, James P;    Ventsel, Minna;    Kosite, Daina;    Rigby Dames, Brier;    Brocklebank, Laura;    Masterton, Sarah;    Pechey, Emily;                 ... Marteau, Theresa M; + view all <#>        Reynolds, James P;  Ventsel, Minna;  Kosite, Daina;  Rigby Dames, Brier;  Brocklebank, Laura;  Masterton, Sarah;  Pechey, Emily;  Pilling, Mark;  Pechey, Rachel;  Hollands, Gareth J;  Marteau, Theresa M;   - view fewer <#>    (2021)    Impact of decreasing the proportion of higher energy foods and reducing portion sizes on food purchased in worksite cafeterias: A stepped-wedge randomised controlled trial.                   PLoS Medicine , 18  (9)    , Article e1003743.  10.1371/journal.pmed.1003743 <https://doi.org/10.1371/journal.pmed.1003743>.       Green open access