Measurement of Serum Thyroid Hormones: T3 by RIA. As stated on our thyroid hormone production page, thyroxine (T4) represents 80% of the thyroid hormone produced by the normal gland and generally represents the overall function of the gland. The other 20% is triiodothyronine measured as T3 by RIA.
World War I also known as the First World War, was a global war centered in Europe that began on 28th July 1914 and lasted until 11th November 1918.
The 'official' War in Europe began in Poland on September 1, 1939. Some historians have argued that the war began much earlier with the Spanish Civil War but September 1 â¦ st, 1939 is the date accepted when the U.K., France, and Commonwealth nations declared war on Germany in response to the Polish invasion.