RT Journal Article SR Electronic T1 Studies of Blood Group Substances JF The Journal of Immunology JO J. Immunol. FD American Association of Immunologists SP 867 OP 875 VO 97 IS 6 A1 Marcus, Donald M. A1 Grollman, Arthur P. YR 1966 UL http://www.jimmunol.org/content/97/6/867.abstract AB 1) Precipitating antisera to unmodified human Lea and Leb blood group substance were obtained by immunization of goats. 2) The specificities of these antisera, as defined by inhibition with oligosaccharides of known structure and activity, are very similar to human isoantibodies.