TY  - BOOK
AU  - Mueller,H.P.
AU  - Hassel,T.M.
TI  - Periodontology:The Essentials
U1  - 617.632 
PY  - 2005///
CY  - New York
PB  - George Thieme Verlog
KW  - Periodontics(617.632)
ER  -