Zhao Z, Lee CC, Baldini A, Caskey CT (1995). „A human homologue of the Drosophila polarity gene frizzled has been identified and mapped to 17q21.1”. Genomics. 27 (2): 370—3. PMID7558010. doi:10.1006/geno.1995.1060.
Sagara N, Toda G, Hirai M, Terada M, Katoh M (1998). „Molecular cloning, differential expression, and chromosomal localization of human frizzled-1, frizzled-2, and frizzled-7”. Biochem Biophys Res Commun. 252 (1): 117—22. PMID9813155. doi:10.1006/bbrc.1998.9607.
Zhao Z, Lee CC, Baldini A, Caskey CT (1995). „A human homologue of the Drosophila polarity gene frizzled has been identified and mapped to 17q21.1”. Genomics. 27 (2): 370—3. PMID7558010. doi:10.1006/geno.1995.1060.
Sagara N, Toda G, Hirai M, Terada M, Katoh M (1998). „Molecular cloning, differential expression, and chromosomal localization of human frizzled-1, frizzled-2, and frizzled-7”. Biochem Biophys Res Commun. 252 (1): 117—22. PMID9813155. doi:10.1006/bbrc.1998.9607.