On the surface of the red blood cells are proteins and sugars called antigens. They serve as markers to characterize each ...

Knowing your blood type is more important than you think. Here's why and tips for finding yours before an emergency happens.

Like the ABO group and Rh factor, these rare blood types are genetic. They may also be associated with various health conditions and symptoms; for example, the McLeod phenotype is associated with ...

In cases of questioned paternity, ABO blood-typing can be used to exclude a man ... Consideration of additional blood markers, such as Rh antigens, MN antigens, and HLAs, greatly increased the ...

When a pregnant woman had her blood sampled back in 1972, doctors discovered it was mysteriously missing a surface molecule ...