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Very few demographic surveys in developing countries have gathered information on household incomes or consumption expenditures. Researchers interested in living standards therefore have had little alternative but to rely on simple proxy indicators. The properties of these proxies have not been analyzed systematically. We ask what hypotheses can be tested(More)
In this study, mature female mice of the ICR strain were induced to superovultate, mated, and collected at either zygote or early morula stages. Embryos suspended in 1 M ethylene glycol in PBS containing 10 mg/L Snomax for 15 min, then transferred in sample holder to Linkam cryostage, cooled to and seeded at 7 °C, and then observed and photographed while(More)
The sea urchin has long been used as an invertebrate model organism in developmental biology, membrane transport and sperm oocyte interactions, and for the assessment of marine pollution. This review explores the effects of cryopreservation and biobanking in the biology and development of sea urchins, all the way from germaplasm through to juveniles. This(More)
We present 11 patients with intracranial gangliogliomas. The age ranged between 4 and 69 years with a mean of 32 years. The most frequent clinical manifestations were epilepsy in 7 cases and headache in 4 cases, and had begun from 15 days to 12 years before diagnosis. The gangliogliomas were located supratentorially predominantly in the temporal lobe (5(More)
Three children are described who presented with the syndrome of spinal cord compression. They had intradural-extramedullary masses, which proved to be histologically benign cysts with characteristics similar to those found in the embryonic foregut. Emphasis is placed on the importance of early diagnosis and prompt surgical treatment of these congenital(More)
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