González de Aledo A, Alvarez Alduán F, Pérez Santos C
Escuela Departamental de Puericultura, Laboratorio de la Dirección Regional de Sanidad, Santander.
An Esp Pediatr. 1988 Oct;29(4):311-3.
A study on the content of free fluoride in 39 milk formulae available in Spain. The selective ion electrode method has been selected. All formulae but one supply F amounts inadequate for cavities prophylaxis. Additional F should before be routinely administered per os in the form of sodium fluoride.