Reference values are the values expected for a healthy person. They are sometimes called normal values. By comparing your test results with reference values, you and your healthcare provider can see if any of your test results fall outside the range of expected values.
The true reason, of course, was that a strong royalist element remained and the republican government wanted to see it suffocated by the absence of any Savoy royal in the country. His Majesty Umberto II, the last King of Italy, died still in exile, in Switzerland, on March 18, 1983. It was noteworthy that kings, queens and princes from across Europe came to his funeral to pay their respects, even from countries which had been the enemies of the Kingdom of Italy during the war but not one representative of the Italian government was present.
The Princes in the Tower. When Edward IV died on 9 April, 1483, England was nearing the end of the tediously long conflict known as the Wars of the Roses. England needed a period of peace and stable government, but it was not going to get it. Edward had two children, Edward, aged 12, and Richard, aged 9. The other player in the scene was Richard, Duke of Gloucester, Edward IV's younger brother and most able supporter and ally.