TY - BOOK AU - Burkhardt,Arne AU - Maevkar,Reihard AU - Meuss,R.E.K. TI - A color atlas of oral cancers : : the diagnosis and classification of leukoplaskias, precancerous conditions and carcinomous / SN - 072340769x PY - 1981/// CY - London : PB - Year Book Medical Pub. inc. , KW - Neoplasms ER -