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Nederlands Tijdschrift Voor Geneeskunde|June 16, 1999
[Informed well-considered consent ('informed consent'): an end or a means?]R Schellings, F Sturmans, A G Kessels
Nederlands Tijdschrift Voor Geneeskunde|October 8, 2008
[Pre-randomisation in study designs: getting past the taboo]R Schellings, A G Kessels, F Sturmans
Journal of Clinical Epidemiology|July 17, 1999
The Zelen design may be the best choice for a heroin-provision experimentR Schellings, A G Kessels, G ter Riet, et al.
European Journal of Radiology|March 1, 1995
Comparison of the diagnostic value of cinefluoroscopy and simple fluoroscopy in the detection of calcification in coronary arteriesP J de Korte, A G Kessels, J M van Engelshoven, et al.
European Journal of Radiology|March 1, 1995
Usefulness of cinefluoroscopic detection of coronary artery calcification in the diagnostic work-up of coronary artery diseaseP J de Korte, A G Kessels, J M van Engelshoven, et al.
Journal of Intellectual Disability Research : JIDR|June 1, 1994
The need for assessment of sensory functioning in ageing people with mental handicapH M van Schrojenstein Lantman-de Valk, M J Haveman, M A Maaskant, et al.
Journal of Intellectual Disability Research : JIDR|August 1, 1995
Care dependence and individual care provisionM A Maaskant, A G Kessels, C M Frederiks, et al.
Journal of Intellectual Disability Research : JIDR|June 1, 1994
Care dependence and services planningM A Maaskant, A G Kessels, M A Frederiks, et al.
The European Respiratory Journal|January 1, 1997
Low diagnostic value of respiratory impedance measurements in childrenC E Cuijpers, G J Wesseling, A G Kessels, et al.
Public Health|July 1, 1994
Risk factors for cervical dysplasia: implications for preventionH C de Vet, F Sturmans
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