Comparative analysis of the anti-microbial action of an Erbium:YAG laser and of a drill mounted on a conventional high rotation speed device on carious dentine - Blay, C. C.; Blay, A.; Nascimento, C. M. O.; Azevedo, Luciane Hiramatsu; Eduardo, Carlos de Paula (International Congress on Lasers in Dentistry, 2000)