Introduction. RSA is a powerful research technique that is currently being studied at Hospital for Special Surgery (HSS) for joint replacement patients. RSA stands for r adio s tereometric a nalysis, which describes a special way of taking two x-rays from different directions at the same time, creating a âstereoâ image.SA has been used for over 30 years in Europe and for 5 years at Hospital for Special Surgery. The only potential risks come from implantation of the marker beads. 1  The insertion of beads takes an additional 5 to 10 minutes of surgery.
They're right not to â in the mid 19th century Brussels was a mainly Dutch-speaking city. There's been a major swing towards French since, fueled not just by migration, but also by families switching language. Even so, it was only really by the 1950s that Dutch had definitively lost its role as the city's vernacular.
  The name Brussels is the English name for the Belgian capital. In Brussels, two languages are spoken, Dutch and French. The French name is Bruxelles but you really want â¦ to take a look at the city's original name: Brussel, which is the Dutch name.Brussel is an evolution of the word Broekzele, the old name of the city. You can still notice the kz combination in the French name.hey are also famous for chocolate, waffles, lace, and for being the capital of Europe by housing the offices of the â¦ European Union in Brussels, Belgium. Belgium is also home to NATO and the BENELUX. Belgium is also famous for his advanced computer technology and his gun-building skills.