Figure 4From: Expression of the TGF-beta1 system in human testicular pathologiesImmunolocalization of Smad 2/3, p-Smad 2/3, Smad 1/5 and p-Smad 1/5 in human pathologies. ST: Seminiferous Tubules, LC: Leydig cell. Magnification 400 xBack to article page