Schoultz, M., McGrogan, C., Beattie, M., Macaden, L., Carolan, C., Polson, R. & Dickens, G. 2022, 'Psychological first aid for workers in care and nursing homes: Systematic review', BMC Nursing, 21, article no: 96. https://doi.org/10.1186/s12912-022-00866-6