Browsing by Author "Espinal T., Fabio"
Mejía, Raul; Espinal T., Fabio; Vélez, Hernán; Vélez, Antonio (s.d.)A study of dental caries was made, complementing a basic survey on protein supplement in brown sugar, to measure any possible changes caused by the supplement in question
Vélez A., Antonio; Espinal T., Fabio; Mejia V., Raúl; Vélez A., Hernán (s.d.)A gravity-operated mechanism for measuring fluoride dosage is described. It would be suitable for rural areas and communities which lack the funds to purchase an electric mechanism, or which have not electricity