Achterberg WP, Gambassi G, Finne-Soveri H, Liperoti R, Noro A, Frijters DHM, Cherubini A, Dell'Aquila G, Ribbe MW.  2010.  Pain in European long-term care facilities: cross-national study in Finland, Italy and The Netherlands. Pain. 148(1):70-74.

Sgadari A, Lapane KL, Mor V, Landi F, Bernabei R, Gambassi G.  2000.  Oxidative and nonoxidative benzodiazepines and the risk of femur fracture. The Systematic Assessment of Geriatric Drug Use Via Epidemiology Study Group. J Clin Psychopharmacol. 20(2):234-9.

Foebel AD, Liperoti R, Onder G, Finne-Soveri H, Henrard JClaude, Lukas A, Denkinger MD, Gambassi G, Bernabei R, Investigators SHELTERStudy.  2014.  Use of Antipsychotic Drugs Among Residents With Dementia in European Long-Term Care Facilities: Results From the SHELTER Study. Journal of the American Medical Directors Association. 15(12):911-917.