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An autosomal recessive syndrome of progressive rod-cone dystrophy, sensorineural deafness, and renal dysfunction was identified in 14 children in 9 Afrikaner families in South Africa. The renal involvement, which is of the Fanconi type, leads to rickets-like skeletal changes and kidney failure. Each of the children was initially misdiagnosed as having(More)
information plays a crucial role in the prospective control of locomotion. It provides observers with the requisite perceptual information to plan their movements adap-tively. For example, walkers must lift their feet to avoid tripping over the curb and veer to avoid slipping on a slick patch of ice. A variety of visual depth cues—texture gradients , linear(More)
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