Nylander I, Rydelius P A, Nordberg L, Aurelius G, Zetterström R
Department of Child and Adolescent Psychiatry, Karolinska Institute, St Göran's Children's Hospital, Stockholm, Sweden.
Acta Paediatr Scand. 1989 Jan;78(1):1-10. doi: 10.1111/j.1651-2227.1989.tb10878.x.