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Hughes C.M, Lapane K.L, Mor V., Ikegami N., Jonsson P.V, Ljunggren G., Sgadari A..  2000.  The impact of legislation on psychotropic drug use in nursing homes: a cross-national perspective. Journal of the American Geriatrics Society. 48(8):931-7.

Phillips C.D, Zimmerman D., Bernabei R., Jonsson P.V.  1997.  Using the Resident Assessment Instrument for quality enhancement in nursing homes. Age Ageing. 26 Suppl 2:77-81.

Schroll M., Jonsson P.V, Mor V., Berg K., Sherwood S..  1997.  An international study of social engagement among nursing home residents. Age & Ageing. 26(Suppl 2):55-9.

Sgadari A., Morris J.N, Fries B.E, Ljunggren G., Jonsson P.V, DuPaquier J.N, Schroll M..  1997.  Efforts to establish the reliability of the Resident Assessment Instrument. Age & Ageing. 26(Suppl 2):27-30.