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Ontologies
IHCC-OLS
Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial
PLCO
PLCO:0000300
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Pack Years
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https://purl.ihccglobal.org/PLCO_0000300
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This is just here as a test because I lose it
Term information
database cross reference
GECKO:0000068
(tobacco use history)
definition
Number of packs smoked per day * years smoked.
internal ID
pack_years
Term relations
Subclass of:
BQ Smoking