Bcl-2 1 Bcl-X 1 Carcinoma, Squamous Cell 1 Carcinoma, Verrucous Coloring Agents 1 Humans 1 Mouth Neoplasms 1 Neoplasm Grading 1 bcl-X Protein 1 cancer grading 1 coloring agent 1 comparative study 1 human 1 metabolism 1 mouth tumor 1 oral squamous cell carcinoma 1 protein bcl x 1 squamous cell carcinoma 1 verrucous carcinoma 1