TY  - RPRT
TI  - 2,4-dinitrophenylhydrazine: a sensitive quantitative reagent for determining microgram quantities of prednisone.
AU  - A L Woodson
PY  - 1971
DO  - 10.1002/jps.2600601022
UR  - https://pubmed.ncbi.nlm.nih.gov/5129369/
ID  - 5129369
ER  -