TY  - RPRT
TI  - High serum thyroxine concentrations in the elderly: possible causes.
AU  - R Krakauer
PY  - 1977
DO  - 10.1136/bmj.1.6066.972-b
UR  - https://pubmed.ncbi.nlm.nih.gov/851808/
ID  - 851808
ER  -