Avril T، North SJ، Haslam SM، Willison HJ، Crocker PR (2006). "Probing the cis interactions of the inhibitory receptor Siglec-7 with alpha2,8-disialylated ligands on natural killer cells and other leukocytes using glycan-specific antibodies and by analysis of alpha2,8-sialyltransferase gene expression". J. Leukoc. Biol. ج. 80 ع. 4: 787–96. DOI:10.1189/jlb.1005559. PMID:16857734.