TY  - BOOK
AU  - Morris,Carl N.
ED  - Rand Corporation.
ED  - United States.
TI  - Sample selection in the health insurance experiment: comparing the enrolled and nonenrolled populations 
T2  - A Rand note
PY  - 1985///
CY  - California
PB  - Rand Corporation
KW  - Health insurance
KW  - United States
KW  - Health surveys
N1  - Includes bibliographical references (p.59)
ER  -