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Fig. 3. Counts of BrdU-ir cells in the basal (A) and mid-apical (B) cell layers of
the olfactory epithelium of T3-implanted (black bars) and placebo
(gray bars) fish. Clustered and individual cells are considered separately in
the first two columns, and together in the third column (`total cells').
Values are expressed as means ± S.E.M.
Mann-Whitney U-tests: *P<0.05;
**P<0.025.