TY  - BOOK
ED  - US. Health, Education and Welfare Dept.
TI  - Limitation of activity and mobility due to chronic conditions: United States
U1  - 000SC:614(73) 
PY  - 1959///
CY  - Washington
PB  - Govt Printing Office
KW  - Disability
N1  - Health Statistics ; no.11
ER  -