Yin G، Dai J، Ji C، Ni X، Shu G، Ye X، Dai J، Wu Q، Gu S، Xie Y، Zhao RC، Mao Y (ديسمبر 2003). "Cloning and characterization of the human IFT20 gene". Mol. Biol. Rep. ج.30 ع.4: 255–60. DOI:10.1023/A:1026365124176. PMID:14672413.
Sironen، Anu؛ Hanse, J.؛ Thomsen, B.؛ Andersson, M.؛ Vilkki, J.؛ Toppari, J.؛ Kotaja, N (2010). "Expression of SPEF2 During Mouse Spermatogenesis and Identification of IFT20 as an Interacting Protein". Biology of Reproduction. ج.82: 580–590. DOI:10.1095/biolreprod.108.074971. PMID:19889948.
Yin G، Dai J، Ji C، Ni X، Shu G، Ye X، Dai J، Wu Q، Gu S، Xie Y، Zhao RC، Mao Y (ديسمبر 2003). "Cloning and characterization of the human IFT20 gene". Mol. Biol. Rep. ج.30 ع.4: 255–60. DOI:10.1023/A:1026365124176. PMID:14672413.
Sironen، Anu؛ Hanse, J.؛ Thomsen, B.؛ Andersson, M.؛ Vilkki, J.؛ Toppari, J.؛ Kotaja, N (2010). "Expression of SPEF2 During Mouse Spermatogenesis and Identification of IFT20 as an Interacting Protein". Biology of Reproduction. ج.82: 580–590. DOI:10.1095/biolreprod.108.074971. PMID:19889948.