TY - GEN AU - Carton,F X TI - [Labial benign chronic ulcer] PY - 1970///0316 KW - Aged KW - Carcinoma, Squamous Cell KW - diagnosis KW - Chronic Disease KW - Diagnosis, Differential KW - Humans KW - Lip KW - Lip Neoplasms KW - Male KW - Middle Aged KW - Skin Ulcer N1 - Publication Type: Journal Article ER -