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.
Neural tube defects (NTDs) are among the most common birth defects contributing to infant mortality and serious disability. NTDs, which include anencephaly, spina bifida, and encephalocele, occur in approximately 1 of 1000 births in the United States. An estimated 4000 pregnancies are affected with NTDs each year.