TY  - BOOK
AU  - Ramfjord, Sigurd Peder, 1911-
TI  - Periodontology and periodontics
SN  - 721674607
AV  - RK 361 .R36 1979 
PY  - 1979///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
N1  - Periodontology and periodontics, Periodontology
ER  -