This is a "connection" page, showing publications co-authored by Guy Sella and Susan Margulis.
The ABO blood group is a trans-species polymorphism in primates. Proc Natl Acad Sci U S A. 2012 Nov 06; 109(45):18493-8.
The connection strength for concepts is the sum of the scores for each matching publication.
Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.