They are either negative or positive. But do you know that there is another rare blood group, that is very hard to detect and very few people have it? Yes, you guessed it right, it is the Bombay ...

The MAL blood group is caused by mutations in both copies of the MAL gene, leading to the absence of the AnWj antigen in rare cases. 'A 2-hour mystery pulse': Radio signals from space reveal hidde ...

A SERUM that identifies a new blood-group antigen was obtained from the parturient mother of a baby with erythroblastosis fœtalis. Mrs. Kidd had had five previous pregnancies but no blood ...

Researchers from the UK and Israel have identified a new blood group system in humans, marking a major breakthrough in hematology. The discovery, published in September, stems from a puzzling case ...