@article{article184e3051,
title   = {Recurrent aphthous stomatitis: a placebo-controlled clinical trial employing bcg},
author = {Sugaya, Norberto Nobuo and Migliari, Dante Antônio and Marcucci, Gilberto and Birman, Esther Goldenberg},
year = {1993},
journal   = {Revista de Odontologia da Universidade de Sao Paulo}
}