Figure 1From: Cyclin D1expression during rat mammary tumor development and its potential role in the resistance of the Copenhagen ratNumber of preneoplastic lesions in the mammary glands of treatedCopenhagen (Cop) and Wistar-Furth (WF) rats at 20, 30, and 37 days afterN-methyl-N-nitrosourea treatment. * P <0.05, versus Wistar-Furth rats.Back to article page