Preferred Label : Did the Individual use Smokeless Tobacco Use at Diagnosis;
NCIt related terms : Did the patient use smokeless tobacco (including chewing tobacco and snuff) at the
time of diagnosis;
NCIt definition : A question whether an individual was using smokeless tobacco at time of diagnosis.;
NCI Metathesaurus CUI : CL950695;
Origin ID : C158795;
UMLS CUI : C5203972;
Semantic type(s)
concept_is_in_subset