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The primitive neuroectodermal tumor of the central nervous system is one of a number of tumors in which deletions on chromosome 17p have been identified. The tumor suppressor gene, p53, is located in the region of the deletion. To determine if the p53 gene is involved in the development of primitive neuroectodermal tumors, deoxyribonucleic acid (DNA) blot(More)
The effects of local perivascular application of dopamine to rat pial arterioles. (20-40 micrometer i.d.) were examined in situ, at the microcirculatory level, by use of a high-resolution closed circuit television microscope recording system. Local application of very low, physiological doses (1 to 10 pg) of dopamine to pial arterioles of the anaesthetized(More)
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