Fig. 1From: Incomplete Dll4/Notch signaling inhibition promotes functional angiogenesis supporting the growth of skin papillomasDll4 allelic deletion promotes the onset and growth of chemically- induced skin tumors. a Tumor kinetics in DMBA/TPA-treated WT and Dll4+/− mice. b Representative WT and Dll4+/− mouse 20 weeks after DMBA-initiation. c Hematoxylin and eosin staining of a squamous papilloma sampled from a Dll4+/− mouseBack to article page