H Oja

The relation between teenage smoking and drinking, with special reference to non-standard family background

M Isohanni, I. Moilanen, M. Isohanni, 1993, Scandinavian journal of social medicine.

Thought Disorder Index of Finnish adoptees and communication deviance of their adoptive parents

L. Wynne, J. Moring, H. Hakko, 2000, Psychological Medicine.