Oxidative stress in the bone was measured by immunohistochemistry for protein-nitrotyrosine adducts (brown staining). Representative images (200x original magnification) showing the area directly under the tibial growth plate from bones of PF-control mice, EtOH-fed mice, NAC-fed, NAC+EtOH fed, Vit.E-fed, and Vit.E+EtOH-fed mice.