[4] ALEXER MAXIMILIAN FASSMER, FALK HOFFMANN. Acute health care services use among nursing home residents in Germany: a comparative analysis of out-of-hours medical care, emergency department visits and acute hospital admissions[J]. Aging clinical and experimental research.,2020,32(7):1359-1368.
[12] MC CARTHY, CHRISTINE E., KEATING, TRACY, RAMIAH, VINNY, et al. Nursing home patients and Emergency Department attendance in a single urban Irish catchment area: an observational study surrounding the introduction of a community medicine for older person service[J]. Irish journal of medical science,2021,190(1):379-385.