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Maldevelopment of placental villous trees and their blood vessels results in impaired fetal growth, which can greatly compromise fetal, neonatal, childhood, and adulthood health. There are no means of directly assessing such maldevelopment. We have applied a new technique of imaging (colour power angiography [CPA]) with 3-dimensional reconstruction to assess directly villous development in human pregnancy...
Southern Africa is undergoing a food crisis of surprising scale and novelty. The familiar culprits of drought and mismanagement of national strategies are implicated. However, this crisis is distinct from conventional drought-induced food shortages with respect to those vulnerable to starvation, and the course of impoverishment and recovery. We propose that these new aspects to the food crisis can...
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