OLE NOERBY Hansen

Learning Disabilities in Children: Significance of Low‐Level Lead‐Exposure and Confounding Factors

P. Grandjean, P. Grandjean, A. Trillingsgaard, 1990, Acta paediatrica Scandinavica.

Bias from Non-Participation: A Study of Low-Level Lead Exposure in Children*

P. Grandjean, P. Grandjean, T. Lyngbye, 1988, Scandinavian journal of social medicine.