TY  - BOOK
AU  - Dorothy A,
TI  - Periodontology for the dental hyginenist
SN  - 978-1-4160-0175-1
U1  - 617.632 
PY  - 2007///
CY  - Philadelphia
PB  - Saunders An Imprint of Elsevier
KW  - Periodontology
ER  -