ABO blood groups are the most basic system of blood typing. This system divides blood into four groups – A, B, AB and O. The other main grouping used is the Rhesus (Rh) system, which is either ...

A new study has found that we are still far from understanding the blood classification system – and more blood types are ahead of us.

The ABO blood group is the most important system in clinical transfusion medicine. Previous studies on the genetic base of the common ABO group and some rare ABO subgroups have suggested that the ...

One of the most important characteristics of blood is its type. Knowing your blood type is essential for several healthcare situations. Knowing someone's blood type is important for blood transfusions ...

Dr. Karl Landsteiner won the Nobel prize in 1930 for developing the ABO blood group system. The ABO system is the best known method of classifying blood types. It’s important to know your blood type ...

A look at one of the entries that fooled solvers in last week’s puzzles. By Deb Amlen Do you know your blood type? There are multiple ways to group blood types in hematology, but the best known is the ...