Authors: T Bjerkedal; A Czeizel; J Goujard; B Kallen; P Mastroiacova; N Nevin; G Oakley; E Robert Journal: Lancet Date: 1982-11-13 Impact factor: 79.321
Authors: C M Lander; M T Smith; J B Chalk; C de Wytt; P Symoniw; I Livingstone; M J Eadie Journal: Eur J Clin Pharmacol Date: 1984 Impact factor: 2.953