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Table 5 List of studies that did not detect HPV DNA sequences in breast cancer tissues

From: Breast cancer and human papillomavirus infection: No evidence of HPV etiology of breast cancer in Indian women

S. No Study report Sample
size
Total HPV
positivity
n (%)
HPV16
n (%)
HPV18
n (%)
HPV16/18
n (%)
Other HPV
types n (%)
Country
1 Wrede et al., 1992 92 0 0 0 0 0 UK
2 Bratthauer et al., 1992 43 0 0 0 0 0 USA*
3. Gopalkrishna et al., 1996 30 0 0 0 0 0 India
4. Czerwenka et al., 1996 20 0 0 0 0 0 Austria*
5. Lindel et al., 2007 81 0 0 0 0 0 Switzerland
6. de Cremoux et al., 2008 50 0 0 0 0 0 France
7. Hedau et al. (Present study) 252* 0 0 0 0 0 India
  1. * Country with both positive and negative results.