title: Is stress due to shipment of animals a confounding variable in developmental research?
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000502:physiology; D005260:Female; D009830:Olfactory Bulb / Q000502:physiology; D011247:Pregnancy; D051381:Rats; D013312:Stress, Physiological / Q000523:psychology*