Kiefer MC, Ioh RS, Bauer DM, Zapf J (May 1991). "Molecular cloning of a new human insulin-like growth factor binding protein". Biochem Biophys Res Commun. 176 (1): 219–25. doi:10.1016/0006-291X(91)90912-Q. PMID1850258.
Ehrenborg E, Zazzi H, Lagercrantz S, Granqvist M, Hillerbrand U, Allander SV, Larsson C, Luthman H (May 1999). "Characterization and chromosomal localization of the human insulin-like growth factor-binding protein 6 gene". Mamm Genome. 10 (4): 376–80. doi:10.1007/s003359901005. PMID10087296. S2CID21499958.
Kiefer MC, Ioh RS, Bauer DM, Zapf J (May 1991). "Molecular cloning of a new human insulin-like growth factor binding protein". Biochem Biophys Res Commun. 176 (1): 219–25. doi:10.1016/0006-291X(91)90912-Q. PMID1850258.
Ehrenborg E, Zazzi H, Lagercrantz S, Granqvist M, Hillerbrand U, Allander SV, Larsson C, Luthman H (May 1999). "Characterization and chromosomal localization of the human insulin-like growth factor-binding protein 6 gene". Mamm Genome. 10 (4): 376–80. doi:10.1007/s003359901005. PMID10087296. S2CID21499958.
Ehrenborg E, Zazzi H, Lagercrantz S, Granqvist M, Hillerbrand U, Allander SV, Larsson C, Luthman H (May 1999). "Characterization and chromosomal localization of the human insulin-like growth factor-binding protein 6 gene". Mamm Genome. 10 (4): 376–80. doi:10.1007/s003359901005. PMID10087296. S2CID21499958.