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(A and B) Expression of 5αR1 and 5αR2 in the fetal prostate (magnification 400×): (A) Within the epithelium 5αR1 is primarily found while only few scattered cells are identified in the stroma (21st week); (B) 5αR2 exhibits a much weaker staining intensity in the epithelial compartment whereas it is significantly more abundant in stromal cells (27th week)
