TY  - RPRT
TI  - Letter: Tests of thyroid function.
AU  - W J Irvine
AU  - A D Toft
PY  - 1974
DO  - 10.1136/bmj.4.5939.291
UR  - https://pubmed.ncbi.nlm.nih.gov/4138948/
ID  - 4138948
ER  -