A hierarchical approach to coding chemical, biological & pharmaceutical exposures
By: Anya R. Keefe ... [et al.].
Contributors: Keefe, Anya R.; BC Cancer Agency. Cancer Control Research Unit.
Publisher: British Columbia Cancer Agency, Cancer Control Research
Published: 2000
Place of publication: Vancouver
Language: eng
Subjects: Industrial toxicology -- Terminology -- Code numbers.; Environmental toxicology -- Terminology -- Code numbers.