TY  - RPRT
TI  - A reference system for cortisol.
AU  - L M Thienpont
PY  - 1998
DO  - 10.1016/s0009-9120(98)00037-x
UR  - https://pubmed.ncbi.nlm.nih.gov/9740970/
ID  - 9740970
ER  -