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.
Hull, officially Kingston upon Hull (/ËkÉªÅstÉn ÉpÉn ËhÊl/ KING-stÉn É-pon HUL, local /ËhÊl/), is a city and unitary authority in the East Riding of Yorkshire, England.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.