“…Prior to culture, both the squamous epithelium and the stroma showed normal histology and expression patterns of the cellular markers examined, as reported for p63 (Di Como et al, 2002), Ki‐67 (Payne et al, 1996), involucrin (Serra et al, 1990), AE3 (Nielsen et al, 1991), ER (Kanai et al, 1998), vimentin (Puts et al, 1986), CD45 (Stern et al, 1998), and CD31 (Dellas et al, 1997).…”