Fernandes, D-T Letter to the Editor: Development of proliferative verrucous leukoplakia (PVL) in oral lichen planus: Is it not a clinical spectrum of PVL? [electronic resource] - Medicina oral, patologia oral y cirugia bucal 03 2017 - e142-e143 p. digital Publication Type: Letter; Comment ISSN: 1698-6946 Standard No.: 10.4317/medoral.21605 doi Subjects--Topical Terms: HumansLeukoplakia, OralLichen Planus, Oral