Term Name:	thallium-203
Synonyms:	(203)81Tl, (203)Tl, thallium, isotope of mass 203, thallium-203, Tl
Definition:	The stable isotope of thallium with relative atomic mass 202.9723. The least abundant (29.524 atom percent) isotope of naturally occurring thallium.
Ontology:	ChEBI [CHEBI:37802]  ( EBI )