TY  - RPRT
TI  - A highly sensitive assay for oestrogens.
AU  - L MARTIN
AU  - P J CLARINGBOLD
PY  - 1958
DO  - 10.1038/181620b0
UR  - https://pubmed.ncbi.nlm.nih.gov/13517238/
ID  - 13517238
ER  -