Crispim, S.P.; Geelen, A.; Souverein, O.W.; Hulshof, P.J.M.; Ruprich, J.; Dofkova, M.; Huybrechts, I.; De Keyzer, W.; Lillegaard, I.T.; Andersen, L.F.; Lafay, L.; Rousseau, A.-S.; Ocké, M.C.; Slimani, N.; van 't Veer, P.; de Vries, J.H. (2011). Biomarker-based evaluation of two 24-h recalls for comparing usual fish, fruit and vegetable intakes across European centers in the EFCOVAL Study. Eur. J. Clin. Nutr. 65: S38-S47. http://dx.doi.org/10.1038/ejcn.2011.86, meer
Sioen, I.; Huybrechts, I.; Verbeke, W.; Van Camp, J.; De Henauw, S. (2007). n-6 and n-3 PUFA intakes of pre-school children in Flanders, Belgium. Br. j. nutr. 98(3): 819-825. http://dx.doi.org/10.1017/S0007114507756544, meer