Bibliografisk träff 2007-11-01 Normal human serum contains high levels of anti-Gal alpha 1-4GlcNAc antibodies. Obukhova P, Rieben R, Bovin N. Xenotransplantation · research support, non-u.s. gov't; journal article; research support, n.i.h., extramural · DOI 10.1111/j.1399-3089.2007.00436.x