'frail elderly'/exp OR 'very elderly'/exp OR (elder OR elderly OR aged-person* OR aged-people*OR older-adult* OR older-people* OR geriatric* OR senior-citizen* OR "over-65"):ti,ab
Search strategy
exp Aged/ OR exp "Aged, 80 and over"/ OR exp Frail Elderly/ OR (elder OR elderly OR aged-person* OR aged-people*OR older-adult* OR older-people* OR geriatric* OR senior-citizen* OR "over-65").ti,ab
Search strategy
(MH "Aged+") OR TI (elder OR elderly OR ((person* OR people*) N2 (aged)) OR older-adult* OR older-people* OR geriatric* OR senior-citizen* OR "over-65") OR AB (elder OR elderly OR older-adult* OR older-people* OR geriatric* OR senior-citizen* OR "over-65")