TY  - BOOK
AU  - Ward, Howard L., 1921-
TI  - Manual of clinical periodontics
SN  - 801653436
AV  - RK 361 .W3 1978 
PY  - 1978///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
N1  - Manual of clinical periodontics, Manual
ER  -