An introduction to periodontia /
Goldman, Henry M. [et al.]
An introduction to periodontia / - St. Louis : Mosby, 1959. - 346 p. : il. ; 20 cm. - The postgraduate dental lecture .
An introduction to periodontia / - St. Louis : Mosby, 1959. - 346 p. : il. ; 20 cm. - The postgraduate dental lecture .