S.J. Koopmans

Plasma catecholamine, corticosterone and glucose responses to repeated stress in rats: Effect of interstressor interval length

Sietse F. de Boer, S.J. Koopmans, J.L. Slangen et al. · Physiology & Behavior · 1990 · 259 citations

Veterinary Medicine, Endocrinology, Physiology +16

Effects of supplemental L-tryptophan on serotonin, cortisol, intestinal integrity, and behavior in weanling piglets1,2

S.J. Koopmans, A. C. Guzik, Jan van der Meulen et al. · Journal of Animal Science · 2006 · 143 citations · Full text

Agriculture, Animal Sciences, Nutritional Sciences +16

The cortico-medial amygdala in the central nervous system organization of agonistic behavior

P.G.M. Luiten, Jaap M. Koolhaas, S de Boer et al. · Brain Research · 1985 · 138 citations

Life Sciences, Neurobiology, Neuroscience +15

Surplus dietary tryptophan reduces plasma cortisol and noradrenaline concentrations and enhances recovery after social stress in pigs

S.J. Koopmans, Matthew Ruis, Rob J. Dekker et al. · Physiology & Behavior · 2005 · 105 citations

Veterinary Medicine, Neuroscience, Nutritional Sciences +16

Amylin-induced in vivo insulin resistance in conscious rats: the liver is more sensitive to amylin than peripheral tissues

S.J. Koopmans, A.D.M. van Mansfeld, H.S. Jansz et al. · Diabetologia · 1991 · 98 citations · Full text

Medicine, Endocrinology, Physiology +14