Research Article
Water Carcinogenicity and Prevalence of HPV Infection in Esophageal Cancer Patients in Huaihe River Basin, China
Figure 2
The clonal foci formed by normal Balb/c 3T3 cells (a, b) and transformed foci after malignant transformation (c, d) (Giemsa staining).
(a) |
(b) |
(c) |
(d) |