TY  - BOOK
AU  - Covington,Ethel
TI  - The efficient dental assistant
AV  - RK60 .C63 1948
U1  - 617.6069 
PY  - 1948///
CY  - St. Louis
PB  - Mosby
KW  - Dentistry
KW  - Practice
N1  - Bibliography: p. 277-278
ER  -