title: CD4 / CD8 T lymphocyte ratio and major histocompatibility complex (MHC) expression in lesions among human immunodeficiency (HIV) seropositive and seronegative individuals with periodontal disease.
authors.affiliation: Departamento de Estomatologia. Facultad de Odontologia. Universidad de Granada. Spain.
authors.forename: M.
authors.initials: M
authors.lastname: Urquia
authors.forename: I.
authors.initials: I
authors.lastname: Tomas
authors.forename: A.
authors.initials: A
authors.lastname: Ceballos