TY  - RPRT
TI  - Commentary: standardized coding of occupational data in epidemiological studies.
AU  - Manolis Kogevinas
PY  - 2003
DO  - 10.1093/ije/dyg087
UR  - https://pubmed.ncbi.nlm.nih.gov/12777431/
ID  - 12777431
ER  -