^"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^Saitoh T, Hirai M, Katoh M (Apr 2001). "Molecular cloning and characterization of human Frizzled-8 gene on chromosome 10p11.2". Int J Oncol. 18 (5): 991–6. doi:10.3892/ijo.18.5.991. PMID11295046.