TY  - RPRT
TI  - [Ring experiment for determining thyroid function: triidothyronine binding capacity (TBG), total thyroxine (T4), thyrotropin (hTSH) and the effective thyroxine quotient (ETR)].
AU  - W Kühnel
AU  - F Kilz
PY  - 1978
UR  - https://pubmed.ncbi.nlm.nih.gov/684188/
ID  - 684188
ER  -