TY  - GEN
AU  - Nossek,H
TI  - [Development of parodontology]
SN  - 0303-6464
PY  - 1975///0728
KW  - Germany, East
KW  - History, 20th Century
KW  - Periodontics
KW  - history
N1  - Publication Type: Historical Article; Journal Article
ER  -