Fig. 8From: Lipid nanoemulsions and liposomes improve photodynamic treatment efficacy and tolerance in CAL-33 tumor bearing nude miceKi-67 immunohistochemistry for CAL-33 tumors. a Untreated control tumor. Tumor 48 h after PDT with Foscan (b), Lipidot (c) and Foslip (d). Laser light irradiation 20 J/cm2 Back to article page