Bernhard Häussermann

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Short-term parenteral application of vitamin A was examined in rats. Retinyl margarinate, which is chemically similar to physiological retinyl esters, was used in vitamin A-depleted rats to study uptake, distribution, and storage of retinyl esters in tissues. Vitamin A-depleted and Vitamin A-sufficient rats were infused with a micellar suspension of retinyl(More)
Nowadays, eLearning based learning modules are widely used in medical education. When compared to traditional, bedside based teaching, one of the drawbacks of this approach is the missing level of realism, since interacting with a computer significantly differs from directly working on a patient. Nevertheless, bedside teaching is not always possible, often(More)
Retinoic acid causes a significant inhibition of cell growth of the tumor cell line BA-HAN-1C. This growth inhibition is the same whether the cells are treated with a pulse dose of retinoic acid (RA) or continuously expand to RA. The determination of RA and its degradation products within the culture medium and in the cells showed that after 24 hours(More)
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