The direct antiglobulin test (DAT) is used to determine whether red blood cells (RBCs) have been coated in vivo with immunoglobulin, complement, or both. The direct antiglobulin test is sometimes colloquially referred to as the Coombs test, because it is based on a test developed by Coombs, Mourant, and Race.
China's southernmost province of Hainan on Saturday began issuing marine environment forecasts for Huangyan Island in the South China Sea.
1 Shaoguan-located in northern Guangdong. 2  Shenzhen-boom town on border with Hong Kong, SEZ. 3  Zhongshan-Hometown of the revolutionary father of modern China, Sun Yatsen, and now a major industrial city southwest of Guangzhou.4  Zhanjiang-in the West, near Hainan.nderstand [edit]. Guangdong borders the South China Sea and surrounds Hong Kong and Macau. Long a provincial backwater, the province's economic fortunes changed dramatically when Deng Xiaoping initiated economic reforms in 1978.