Burkhardt, A., Maerker, R. A colour atlas of oral cancers,
Wolfe Medical Publications, 1981, 186 p., 0-7234-0769-X.
Burkhardt, A., Maerker, R. .
A colour atlas of oral cancers.
Chicago: Wolfe Medical Publications, 1981, 186 p., 0-7234-0769-X.
Burkhardt, A., Maerker, R. (1981)
A colour atlas of oral cancers,
Chicago: Wolfe Medical Publications, 186 p., 0-7234-0769-X
Burkhardt, A., & Maerker, R.
(1981).
A colour atlas of oral cancers. The diagnosis and classification of leukoplakias, precancerous conditions and carcinomas. Chicago: Wolfe Medical Publications, 186 p..