Preferred Term:
secondary contact
Definition:
Exposure to a biological, chemical or physical agent following initial exposure.
Concept Schemes:
NALT Full
Broader Concept:
Entry Terms:
- secondary exposure
URI:
https://lod.nal.usda.gov/nalt/136853
Download this Concept:
RDF/XMLCreated 2010-08-13, last modified 2012-11-30