Boyd M., Koziol-McLain J., Yates K., Kerse N., McLean C., Pilcher C., Robb G..  2008.  Emergency department case-finding for high-risk older adults: the Brief Risk Identification for Geriatric Health Tool (BRIGHT). Academic emergency medicine : official journal of the Society for Academic Emergency Medicine. 15(7):598-606.

Hubbard RE, Peel NM, Samanta M, Gray L.eonardC, Mitnitski A, Rockwood K.  2017.  Frailty status at admission to hospital predicts multiple adverse outcomes. Age Ageing. 46(5):801-806.