TY  - RPRT
TI  - First-line test of thyroid function.
AU  - G Caldwell
AU  - A D Toft
PY  - 1984
DO  - 10.1016/s0140-6736(84)91604-0
UR  - https://pubmed.ncbi.nlm.nih.gov/6150224/
ID  - 6150224
ER  -