Barend JC Middelkoop

Measuring determinants of implementation behavior: psychometric properties of a questionnaire based on the theoretical domains framework

Johanna M. Huijg, Winifred A. Gebhardt, Elise Dusseldorp et al. · Implementation Science · 2014 · 362 citations · Full text

Public Health, Behavioral Sciences, Implementation Science +16

High prevalence of vitamin D deficiency in pregnant non-Western women in The Hague, Netherlands1,2

I.M. van der Meer, Nasra S Karamali, A. J. P. Boeke et al. · American Journal of Clinical Nutrition · 2006 · 298 citations · Full text

Medicine, Endocrinology, Obstetrics +13

High prevalence of vitamin D deficiency in pregnant non-Western women in The Hague, Netherlands1,2

I.M. van der Meer, Nasra S Karamali, A. J. P. Boeke et al. · American Journal of Clinical Nutrition · 2006 · 252 citations

Medicine, Endocrinology, Obstetrics +13

Trends in overweight and obesity prevalence in Dutch, Turkish, Moroccan and Surinamese South Asian children in the Netherlands

J.A. de Wilde, Paula van Dommelen, Barend JC Middelkoop et al. · Archives of Disease in Childhood · 2009 · 105 citations

Public Health, Child Health, Public Health Nutrition +16

Fatty fish and supplements are the greatest modifiable contributors to the serum 25‐hydroxyvitamin D concentration in a multiethnic population

I.M. van der Meer, A. J. P. Boeke, Paul Lips et al. · Clinical Endocrinology · 2007 · 84 citations · Full text

Agriculture, Nutrition, Nutritional Sciences +17