Figure 2.

Papillomavirus sequences detected by in situ hybridisation. (a) Case 10012, in the nipple epithelium (magnification × 40). (b) Case 10041, in the nipple epithelium (magnification × 40). (c) Case 10012, in tumour tissue (magnification × 100). (d) Case 10014, in tumour tissue (magnification × 100).