AU  - Ray,G E.
TI  - Precision attachments: theory and practice of the use of ancillary aids in dental prostheses 
SN  - 0723604401
PY  - 1978///
CY  - Bristol
PB  - Wright
KW  - Prosthodontics
KW  - Dental materials
KW  - Denture Precision Attachment
ER  -