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Until recently, immature embryos have been a choice tissue for manipulation in culture for regeneration and production of transgenic maize plants. The utility of this explant has been compromised by low output, genotype dependence and time-consuming incubation in tissue culture. We have developed a new explant, the split-seed, which addresses these(More)
OBJECTIVE The aim of the study was to investigate the side-to-side differences of the upper and lower limbs in chronic stroke patients by means of peripheral quantitative computed tomography (pQCT). METHODS Twenty-three subjects (12 males and 11 females) who had previously suffered a stroke were recruited. Bone parameters and muscle cross-sectional areas(More)
By the integration of high speed computer networks and interactive multi-media workstations, the IRI (Interactive Remote Instruction) System creates a geographically dispersed virtual classroom. Each student participates using a personal workstation which can be used to view multi-media class presentations, to make presentations, to take notes in a(More)
We describe a system to support Interactive Remote Instruction: using high-speed networks and high performance workstations, we create a virtual classroom so that geographically dispersed students can participate in a class as if they and the instructor were in one room. We taught a regular class using the system during the fall 1995 and report on our(More)
  • R. Talla
  • Pop Sahel : bulletin d'information sur la…
  • 1999
The most recent population survey conducted in Senegal in 1988 found that women comprise 52% of the country¿s total population and that rural women make up 75% of the active female population. The female population is very young overall since 58% of women are under 20 years old. However, women¿s numerical advantage is inversely proportional to their level(More)
  • R. Talla
  • Pop Sahel : bulletin d'information sur la…
  • 1994
In 2015, Senegal will have 16 million inhabitants, a doubling of the population in only 25 years. At the same time, the urban population will reach 9 million inhabitants (56% of the population). The percentage of youth (20 years) will be above 58% of the population. Yet, the desert does not stop growing. Population pressure in the countryside and sprawling(More)
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