@misc{indiciae6ec922e6fed8, title = {Modified diphenylamine reaction for increased sensitivity.}, author = {G N Abraham and C Scaletta and J H Vaughan}, year = {1972}, doi = {10.1016/0003-2697(72)90460-5}, url = {https://pubmed.ncbi.nlm.nih.gov/4673350/}, note = {Source identifier: 4673350} }