fig2

Figure 2. Squamous cell carcinoma multiplicity (number of tumors/mouse) in Skh:1 female mice after topical application of BaP (8 nmol) followed by exposure to ultraviolet A (UVA) (40 kg/m²) three times weekly for 25 weeks. For 5 weeks after treatments were discontinued, tumors were still counted (Wang et al.^[1]). (Printed with consent of the authors.). BaP: benzo[a]pyrene