The blood group A subtypes of a Caucasian and a Negro population of Virginia were investigated, utilizing a standardized immunohemolytic system and lectins for quantitation of antigenic reactivity.

As a result of studying the blood groups of many mother and child pairs for medico-legal purposes at the State Institute of Blood Group Serology, Stockholm, several rare Rh phenotypes have been ...

Baikie, Garson and Birrell report in the following communication their discovery of a child who was a mosaic of cells trisomic for a chromosome of the group 17–18 and cells trisomic for a chromosome ...

A recently discovered blood group system called Er is not proof that mRNA in COVID-19 vaccines is changing people’s DNA, as some social media users have claimed. Scientists told Reuters that Er has ...