Authors: Jørn Olsen; Andrew Czeizel; Henrik Toft Sørensen; Gunnar Lauge Nielsen; Lolkje T W de Jong van den Berg; Lorentz M Irgens; Charlotte Olesen; Lars Pedersen; Helle Larsen; Rolv T Lie; Corinne S de Vries; Ulf Bergman Journal: Drug Saf Date: 2002 Impact factor: 5.606