The prevalence of fractured permanent incisors in 13 to 15-year-old school children in Nairobi.

@article{Nganga1988ThePO,
  title={The prevalence of fractured permanent incisors in 13 to 15-year-old school children in Nairobi.},
  author={Peter M Ng'ang'a and Jakob Valderhaug},
  journal={African dental journal : official publication of the Federation of African Dental Associations = Journal dentaire africain},
  year={1988},
  volume={2 2},
  pages={
          76-9
        }
}

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