title: [A 12-year follow-up of a patient with leukoplakia in the ventral part of the tongue]
authors.affiliation: Department Of Dentistry, Jinshan Hospital Affiliated to Shanghai Medical University. Shanghai 200540, China.
authors.forename: X
authors.initials: X
authors.lastname: Qiu
authors.forename: W C
authors.initials: WC
authors.lastname: Jin