TY  - GEN
AU  - Maio,M C
AU  - Brito,N
TI  - [Not Available]
SN  - 0103-4987
PY  - 1997///0107
KW  - Brazil
KW  - Health Benefit Plans, Employee
KW  - history
KW  - History, 20th Century
KW  - Industry
KW  - Occupational Health Services
KW  - Railroads
KW  - Social Security
N1  - Publication Type: Biography; Historical Article; Journal Article
ER  -