Authors: P Sonneveld; B G Durie; H M Lokhorst; J P Marie; G Solbu; S Suciu; R Zittoun; B Löwenberg; K Nooter Journal: Lancet Date: 1992-08-01 Impact factor: 79.321
Authors: S P Cole; G Bhardwaj; J H Gerlach; J E Mackie; C E Grant; K C Almquist; A J Stewart; E U Kurz; A M Duncan; R G Deeley Journal: Science Date: 1992-12-04 Impact factor: 47.728