The histogram of MeSH term frequency of Tritium

MeSH term

Count
Tritium	232
*Tritium	2
Tritium/diagnostic use	110
Tritium/metabolism	16
Tritium/pharmacokinetics	2
Tritium/*pharmacology	1
Tritium/diagnostic use/pharmacokinetics	1
Tritium/*adverse effects	1
Tritium/metabolism/pharmacokinetics	1
Tritium/isolation & purification/metabolism	1