Increase in Salmonella enterica subspecies diarizonae serovar 61:k:1,5,(7) in sheep.
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Biomedical subjects
Publications and source records attributed to B E Preece.
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Two calves with unusual malformations of the skull and brain are described. Both calves showed doming of the posterior skull due to enlargement of the posterior fossa and cyst-like dilatation of the fourth ventricle. The cystic dilatation of the fourth ventricle formed a meningocoele in one calf. Aplasia of the cerebellar vermis was present in both calves. One calf showed agenesis of the corpus callosum. These features are consistent with the Dandy-Walker malformation of man.
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