TY  - RPRT
TI  - Thyroid-stimulating hormone: reference range validity.
AU  - M I Surks
PY  - 1991
DO  - 10.1001/jama.266.11.1573b
UR  - https://pubmed.ncbi.nlm.nih.gov/1880894/
ID  - 1880894
ER  -