The ethnic composition in the 18th century was clear among the Slavs; 1  In a letter to Justinian Bert in 1756, Montenegrin chieftains said: We are of the Orthodox Christian faith and law of the Eastern Church, of the honorable and glorious Slav-Serb kin.
North Texas Tollway Authority. The North Texas Tollway Authority (NTTA) is an organization that maintains and operates toll roads, bridges and tunnels in the North Texas area.
The first trimester screening tests is also known as nuchal translucency screening, or NT, is a prenatal test that involves ultrasound and a blood test that can help determine the likelihood of having Downâs Syndrome or some other chromosome abnormality.he nuchal translucency screening, or NT, is a prenatal test that can help to determine the fetuses likelihood of having Downâs Syndrome or some other chromosome abnormality. Major heart problems can also be detected using the NT prenatal test.