TY  - GEN
AU  - Ennals,S
TI  - Introduction to the social security system
SN  - 0959-8138
PY  - 1991///0228
KW  - Insurance Benefits
KW  - Pensions
KW  - Retirement
KW  - Social Security
KW  - economics
KW  - United Kingdom
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1136/bmj.301.6765.1386
ER  -