TY  - BOOK
ED  - US. Health, Education and Welfare Dept.
TI  - Dental care, interval and frequency of visits: United States
U1  - 000SC:614(73) 
PY  - 1960///
CY  - Washington
PB  - Govt Printing Office
KW  - Blood preasure-high
KW  - Heart conditions
N1  - Health Statistics ; no.14
ER  -