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    • Espinoza Navarro, Omar; Vilaxa, A.; Granifo, L.; Rojas, S.; Rodríguez, H. (Universidad de la Frontera, 2007)
      Boric acid and borate are abundant in the nature and widely used in industrial, agricultural and cosmetology applications. However it is informed as toxic in a high dose. Residents of Arica-Chile with boron-rich geology ...