Vohlonen Ilkka, Ihalainen Risto, Saltman Richard B, Karhunen Taru, Palmunen Juha, Kinnunen Juha
Centre for Pharmaceutical Policy and Economics, University of Kuopio, PL 1627, 70211 Kuopio, Finland.
Health Policy. 2004 Feb;67(2):119-27. doi: 10.1016/s0168-8510(03)00082-4.