Assertion: neuroepithelium's cell | /r/HasProperty | demonstrated in previous study
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text: Some BrdU‐labeled cells in 10‐day‐old animals were distributed in the middle of the basal cell layer (Fig. 1 A1), as demonstrated in a previous study (Weiler and Farbman, 1997 ) where a large amount of proliferating progenitor cells appeared to exist.