MH "Restraint, Physical" OR TI "physical restraint*" MH "Nursing Homes+" OR MH "Nursing Home Residents" OR TI "nursing home*" Bruk av tvang Sykehjem AND Sykepleiere MH "Nurses+" OR TI "nurse*" MH "Dementia+" OR MH "Dementia Patients" OR TI "dementia" Personer med demenssykdom AND AND