TY  - BOOK
ED  - WHO Scientific Group on Epidemiology
ED  - World Health Organization.
TI  - Epidemiology, etiology, and prevention of periodontal diseases: report of a WHO scientific group [meeting held in Moscow from 23 November to 2 December 1977]
SN  - 9241206217
PY  - 1978///
CY  - Geneva
PB  - World Health Organization
KW  - Periodontal diseases
N1  - jap published by: Tokyo : Oral Health Association of Japan; Russian version of nos. 613-636 bound together (barcode no. 00073787)
UR  - http://apps.who.int/iris/
UR  - http://apps.who.int/iris/
ER  -