R. A. Erdman

Measuring quality of life in patients with myocardial infarction or stroke: a feasibility study of four questionnaires in The Netherlands.

D. Grobbee, J. Passchier, J. Deckers, 1995, Journal of epidemiology and community health.

Prediction of behavioural and emotional problems in children and adolescents with operated congenital heart disease.

H. Duivenvoorden, F. Meijboom, F. Verhulst, 1998, European heart journal.