A look at lips.
Rothstein
J
J
D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000209:etiology / Q000473:pathology* / Q000601:surgery; D006801:Humans; D008046:Lip / Q000473:pathology; D008048:Lip Neoplasms / Q000209:etiology / Q000473:pathology* / Q000601:surgery; D011230:Precancerous Conditions / Q000209:etiology / Q000473:pathology* / Q000601:surgery