OPINION 290,984 Opinion of the Economic and Social Committee on the Proposal for a European Parliament and Council Regulation (EC) on orphan medicinal products (C0M(1998) 450 final - 98/0240 (COD)) : Brussels, 27 January 1999. - Luxembourg : Office for Official Publications of the European Communities, 1999. - [2], 7 s. 30 cm. -(ESC Opinions and Reports, ISSN 1015-9487 ? CES 64/99)