TY  - RPRT
TI  - Modified diphenylamine reaction for increased sensitivity.
AU  - G N Abraham
AU  - C Scaletta
AU  - J H Vaughan
PY  - 1972
DO  - 10.1016/0003-2697(72)90460-5
UR  - https://pubmed.ncbi.nlm.nih.gov/4673350/
ID  - 4673350
ER  -