A L van Kappel

Structure of the standardized computerized 24-h diet recall interview used as reference method in the 22 centers participating in the EPIC project. European Prospective Investigation into Cancer and Nutrition.

N Slimani, G Deharveng, C Stripp, 1999, Computer methods and programs in biomedicine.

Simultaneous measurement of seven carotenoids, retinol and alpha-tocopherol in serum by high-performance liquid chromatography.

A L van Kappel, E. Riboli, J. Steghens, 1997, Journal of chromatography. B, Biomedical sciences and applications.

Estimating the accuracy of dietary questionnaire assessments: validation in terms of structural equation models.

E Riboli, A L van Kappel, W A van Staveren, 1994, Statistics in medicine.