Gambassi G., Lapane K.L, Sgadari A., Bernabei R..  1998.  Elderly patients, use of antidepressants, and hip fracture. Lancet. 352(9125):400;authorreply401-2.

Gambassi G., Lapane K.L, Sgadari A., Carbonin P., Gatsonis C., Lipsitz L.A, Mor V., Bernabei R..  2000.  Effects of angiotensin-converting enzyme inhibitors and digoxin on health outcomes of very old patients with heart failure. SAGE Study Group. Systematic Assessment of Geriatric drug use via Epidemiology. Arch Intern Med. 160(1):53-60.