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This paper presents an approach to object view management for relational databases. Such a view mechanism makes it possible for users to transparently work with data in a relational database as if it was stored in an object-oriented (OO) database. A query against the object view is translated to one or several queries against the relational database. The(More)
  • P Hiss, G Fahl
  • 1991
A pattern electroretinogram (PERG) was recorded in patients in the initial stages of visual field defects resulting from open-angle glaucoma, in patients with ocular hypertension (OHT) and in age-matched controls. In both groups the visual acuity was above 0.8. Counterphasing checkerboard patterns were used as visual stimuli with a check size of 0.8 degrees(More)
Mice received pre- and postnatal drinking water containing 20% ethanol. Ethanol treatment significantly impaired learning, reflected by shorter latency to enter the dark compartment of the apparatus. This effect could be antagonized by the administration of twice daily 100 mg/kg piracetam for ten days. The ethanol treatment and the administration of(More)
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