Bischoff, J I Products available for topical fluoride therapy. [electronic resource] - The Journal of the Dental Association of South Africa = Die Tydskrif van die Tandheelkundige Vereniging van Suid-Afrika Mar 1975 - 333-7 p. digital Publication Type: Journal Article ISSN: 0011-8516 Subjects--Topical Terms: Fluorides, Topical--therapeutic useHumans