1. Effect of pre-eruptive sugar administration on dental caries and tooth morphology;Brown;M.S. Thesis,1968
2. Trace elements effects on the developing teeth of rats;Castillo Mercado;M.S. Thesis,1968
3. Effect of yttrium on dental caries in rats;Castillo Mercado;Archs oral Biol.,1973
4. Effect of fluoride and of soil trace elements on the morphology of the permanent molars in man;Cooper;N.Z. dent. J.,1965
5. Alterations in the formation of rat dentine and enamel induced by various ions;Eisenmann;Archs oral Biol.,1969