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Tβ 4 immunoreactivity in HepG2 cells cultured for 84 h without serum and shifted in complete medium for 24 h (A and B, magnification 400×) and for 48 h (C and D, magnification 400×). Inserts in A and in C represent one particular of the intranuclear reactivity of the respective pictures (magnification 1000×).
