TY  - BOOK
AU  - Collin,S.M.H.
AU  - And Collin,P.H.
TI  - A Handbook of For Dental Hygienists
U1  - 617.601 
PY  - 1992///
CY  - Bristol
PB  - Wright
KW  - Periodontics(617.632)
ER  -