TY  - BOOK
AU  - Watts,Trevor L.P.
TI  - Periodontics in practice: science with humanity 
SN  - 1853178306
PY  - 2000///
CY  - London
PB  - Martin Dunitz
KW  - Periodontal Diseases
KW  - therapy
KW  - Periodontics
ER  -