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Ma P, Zhao S, Zeng W, Yang Q, Li C, Lv X, etal. (August 2011). "Xenopus Dbx2 is involved in primary neurogenesis and early neural plate patterning". Biochemical and Biophysical Research Communications. 412 (1): 170–174. doi:10.1016/j.bbrc.2011.07.068. PMID21806971.