Uses of different types of blood group why we need to store it

Описание

A positive donate his blood A +, B + A negative donate his blood A+ , A- , AB+ and AB- B positive donate his blood B+, AB+ B negative donate his blood B+, B-, AB+ and AB- O positive donate his blood O+, A+, B+ and AB+ O negative donate his blood to all blood group AB positive donate his blood to only AB + AB negative donated his blood group to AB+ and AB-