Data Collection/methods/standards

Gambassi, G., Landi, F., Peng, L., Brostrup-Jensen, C., Calore, K., Hirdes, J., Lipsitz, L., Mor, V., Bernabei, R. 1998. Validity of diagnostic and drug data in standardized nursing home resident assessments: potential for geriatric pharmacoepidemiology. SAGE Study Group. Systematic Assessment of Geriatric drug use via Epidemiology. Medical Care. 36 (2) 167-79.