Fig. 7
H&E stain of CAL-33 tumors. a Untreated control tumor. Tumor 48Â h after PDT with Foscan (b), Lipidot (c) and Foslip (d). Laser light irradiation 20Â J/cm2. Asterisk (b, c) : tumor tissue. a, d: only tumor tissue
Fig. 7 | Journal of Nanobiotechnology