Comans TA, Peel NM, Hubbard RE, Mulligan AD, Gray LC, Scuffham PA.  2016.  The increase in healthcare costs associated with frailty in older people discharged to a post-acute transition care program. Age and Ageing. 45(2):317-20.

Hubbard RE, Peel NM, Samanta M, Gray LC, Fries BE, Mitnitski A, Rockwood K.  2015.  Derivation of a frailty index from the interRAI acute care instrument. BMC Geriatr. 15:27.

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.

Hubbard RE, Peel NM, Scott IA, Martin JH, Smith A, Pillans PI, Poudel A, Gray LC.  2015.  Polypharmacy among inpatients aged 70 years or older in Australia. Medical Journal of Australia. 202(7):373-378.

Ruangritchankul S, Peel NM, Hanjani LShafiee, Gray LC.  2020.  The Changes in Medication Prescribing Among the Older People with Cognitive Impairment in the Acute Care Setting. Clinical interventions in aging. 15:865-876.