A Coombs test (also known as Coombs' test, antiglobulin test or AGT) is either of two clinical blood tests used in immunohematology and immunology.
Hudson Bay (Inuktitut: Kangiqsualuk ilua, French: baie d'Hudson) (sometimes called Hudson's Bay, usually historically) is a large body of saltwater in northeastern Canada with a surface area of 1,230,000 square kilometres (470,000 sq mi).
Hudson's Bay (formerly and still colloquially known as The Bay) is a chain of 90 department stores that operate exclusively in Canada. It is the main brand of Hudson's Bay Company (HBC), North America 's oldest company.udson's Bay can be compared to U.S. retailers Lord & Taylor and Nordstrom. The average store size is 135,000 square feet (12,500 m 2).