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 -