elementary particles
type: Concept
narrower: neutrons

concepts
type: Collection
type: ConceptGroup
member: neutrons

known or suspected carcinogens
type: Concept
narrower: neutrons

fast neutrons
type: Concept
broader: neutrons

neutrons
type: Concept
definition: KNOWN TO MAN only within the past 100 years, neutrons have been used in both negative and positive ways that have significantly affected human health. Soon after their discovery, neutrons became closely linked with cancer. [Source: Encyclopedia of Cancer and Society; Neutrons]
narrower: fast neutrons
broader: known or suspected carcinogens
broader: elementary particles