Arnala, Iikka, Esko M. Alhava, Reijo Kivivuori, and Pentti Kauranen. 1986. “Hip Fracture Incidence Not Affected by Fluoridation: Osteofluorosis Studied in Finland”. Acta Orthopaedica 57 (4):344-48. https://doi.org/10.3109/17453678608994408.