https://www.cdc.gov/steadi/index.html https://www.cdc.gov/steadi/pdf/steadi_pocketguide_1in4-a.pdf https://www.cdc.gov/steadi/pdf/algorithm_2015-04-a.pdf https://www.cdc.gov/homeandrecreationalsafety/pdf/falls/CDC_Falls_Compendium-2015-a.pdf#nameddest=clinical
