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In situ hybridization detection of c-erbB2 mRNA in the ovaries. (A), Control (ovary of 2-day-old rat); (B), Ovary of 2-day-old rat cultured for 4 days; (C), Ovary of 2-day-old rat cultured for 8 days; (D), Ovary of 2-day-old rat cultured for 4 days with 50 ng/ml EGF; (E), Ovary of 2-day-old rat cultured for 8 days with 50 ng/ml EGF; (F), Negative control. Scale bar: 2.5 × 10-2 mm.
