^"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.
^Roberts SB, Segil N, Heintz N (October 1991). "Differential phosphorylation of the transcription factor Oct1 during the cell cycle". Science. 253 (5023): 1022–6. doi:10.1126/science.1887216. PMID1887216. S2CID23291453.