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

Many people are familiar with the ABO blood typing system, which lumps blood into ... knowing which of the eight possible combinations of blood group and Rh factor a person has is key to a ...

1 Units of Group O, Rh-negative, Kell-negative ... These initial observations of the operation of a frozen-blood-bank system in a combat zone have demonstrated both clinical acceptability and ...