<http://schema.org/description>
"Key thyroid tests and lab values, for TSH, Thyroxine, T4, Triiodothyronine, T3, Free T4, Free T3, Reverse T3, RT3, Thyroid Peroxidase Antibodies, TPO"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.verywell.com/thyroid-function-tests-values-3232915>