TY  - BOOK
AU  - Gehrig, Jill S. Nield.
TI  - Fundamentals of periodontal instrumentation: advanced root instrumentation 
SN  - 9781609133313
AV  - RK 681 .N54 2013 
PY  - 2013///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
N1  - Fundamentals of periodontal instrumentation : advanced root instrumentation, Fundamentals
ER  -