Tc-99
type: Concept
broader: technetium
broader: radioactive isotope
preferred label: تکنسیم 99 @fa

technetium
type: Concept
narrower: Tc-99
preferred label: تکنسیم @fa

radioactive isotope
type: Concept
narrower: Tc-99
preferred label: ایزوتوپ پرتوزا @fa