Research Article

Langerhans Cells, T Cells, and B Cells in Oral Lichen Planus and Oral Leukoplakia

Figure 4

Numbers of cells expressing CD1a, CD3, CD20, and Ki67 in (a) epithelium and (b) submucosa of patients with oral lichen planus (OLP; closed circles) and leukoplakia (LPL; opened circles). Each symbol denotes a patient and the horizontal bars denote the median values. ; using the Mann–Whitney (U)-test.
(a)
(b)