In a direct Coombs' test a special antibody is added to a sample of blood. This test checks whether there are antibodies already bound to the surface of the red blood cell. If the test is positive the antibodies that are added bind to the antibodies on the surface of the cell.
The River Hull is a navigable river in the East Riding of Yorkshire in the north of England. It rises from a series of springs to the west of Driffield, and enters the Humber estuary at Kingston upon Hull.
It lies upon the River Hull at its junction with the Humber estuary, 25 miles (40 km) inland from the North Sea, with a population of 257,710 (mid-2014 est.). The town of Hull was founded late in the 12th century.The monks of Meaux Abbey needed a port where the wool from their estates could be exported.ull is also a rugby league hub, having two clubs who play in the Super League competition. Hull F.C. , alongside the city's football club Hull City, play at the KC Stadium while Hull Kingston Rovers play at Craven Park in East Hull.