Treatment of Oral Premalignant Lesions With 5-ALA PDT
Natural History of Oro-pharyngeal Cancer Precursors
Metformin Hydrochloride in Preventing Oral Cancer in Patients With an Oral Premalignant Lesion
Fluorescence & Reflectance Imaging to Detect Oral Neoplasia
† Study has passed its completion date and status has not been verified in more than two years.