Dorothea Klein

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Maedi visna virus and caprine arthritis encephalitis virus are closely related retroviruses that cause chronic inflammatory disease in small ruminants. The infections are characterised by insidious onset and slow progression. Diagnosis of infection is usually by serological testing. A variety of assays are available for this purpose, though the relative(More)
Small ruminant lentiviruses (SRLV) are classical slow retroviruses causing chronic inflammatory disease in a variety of target organs. The routes of transmission have been investigated and a large body of evidence has accumulated over many years. The main routes are through ingestion of infected colostrum and/or milk, or through inhalation of respiratory(More)
According to classical genetics, a recessive sex-linked or X-linked gene manifests its existence phenotypically only in the absence of its normal allele, that is, in the homozygous state or in the absence of a second X chromosome carrying the normal allele. The latter requirement is met, for instance, in males who have haemophilia as a sex-linked trait:(More)
The kinetics of salivary and biliary excretion of inorganic nitrates and nitrites was studied in mongrel dogs after iv injection of these compounds labelled with 15N. There was strong salivary excretion of 15NO-3 after injection of Na15NO3 but little or no nitrites were excreted in the saliva, indicating that the nitrites present in the mouth are mainly the(More)
Critically ill patients usually have multiple risk factors for the development of pressure ulcers. Pressure ulcers involve all levels of tissue from bone to skin, and result from excessive pressure and shearing. Control of incontinence, maintenance of adequate oxygen delivery and nutritional support is the key to minimizing the effects of skin breakdown in(More)