1.
Ethnic specific recommendations in clinical practice guidelines: a first exploratory comparison between guidelines from the USA, Canada, the UK, and the Netherlands
2.
Measuring morbidity of children in the community: a comparison of interview and diary data
Validity and accuracy of interview and diary data on children's medical utilisation in The Netherlands
The effect of educational intervention on intercultural communication: results of a randomised controlled trial
Coping with methodological dilemmas; about establishing the effectiveness of interventions in routine medical practice