Bibliografisk träff 1972-06-01 Immunochemical studies on blood groups. LIV. Classification of anti-I and anti-i sera into groups based on reactivity patterns with various antigens related to the blood group A,B,H, Le a, Le b and precursor substances. Feizi T, Kabat EA. J Exp Med · research-article; journal article · DOI 10.1084/jem.135.6.1247