Assessment of the allergic potential of food protein extracts and proteins on oral application using the brown Norway rat model. Knippels LM, Penninks AH. Environ Health Perspect 2003;111(2):233-8.

Peanut allergen Ara h 3: isolation from peanuts and biochemical characterization. Koppelman SJ, Knol EF, Vlooswijk RA, Wensing M, Knulst AC, Hefle SL, Gruppen H, Piersma S. Allergy 2003;58(11):1144-51.

The cow’s milk protein-specific T cell response in infancy and childhood. Schade RP, Tiemessen MM, Knol EF, Bruijnzeel-Koomen CA, van Hoffen E. Clin Exp Allergy 2003;33(6):725-30.

Patients with anaphylaxis to pea can have peanut allergy caused by cross-reactive IgE to vicilin (Ara h 1). Wensing M, Knulst AC, Piersma S, O’Kane F, Knol EF, Koppelman SJ. J Allergy Clin Immunol 2003;111(2):420-4.