TY  - BOOK
AU  -  Prichard,John F.
TI  -  Advanced periodontal disease: surgical and prosthetic management / 
SN  -  072167366X
PY  - 1972///
CY  -  Philadelphia : 
PB  -  Saunders, 
KW  -  Periodontal Diseases
N1  -  Includes bibliographical references and index
ER  -