Evaluation of self-administered prophylaxis and supervised toothbrushing with acidulated phosphate fluoride - Horowitz, Herschel S.; Heifetz, Stanley B.; McClendon, B. Jerald; Viegas, Alfredo Reis; Guimarães, Luiz Octávio Coelho; Lopes, Eymar Sampaio (Caries Research, 1974)