@misc{misc9ba75944, title = {The histochemistry analysis of microrganisms invasion in periapical lesion in immunocompetent and HIV immunodeficiency patients}, author = {Oliveira, R. B. and Araújo, Vera Cavalcanti de and Lage Marques, José Luiz Silva}, year = {2002}, booktitle = {International Association for Dental Research. Brazilian Division} }