a systematic evaluation was made of the occurrence of microscopically confirmed primary liver cancer ( international classification of disease , 7th rev. , 155.0 ) among men by industrial and occupational classification using the cancer-environment registry , which links cancer incidence ( 1961-1979 ) and census data ( 1960 ) on industry and occupation for all employed persons in sweden .
C0024620
primary liver cancer
C0006826
cancer