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).
The world's largest bay can be found in the northern Indian Ocean. It is the Bay of Bengal and covers a watery 2.2 million kmÂ² and reaches a depth of up to depth of 5,258 meters. Hudson Bay, in Canada, is the world's largest bay measured by shoreline, which covers 12,268 kilometers or 7,623 miles but the bay itself dwarfs compared to the Bay of Bengal at a mere 1.23 million kmÂ².