TY - RPRT TI - A highly sensitive method for amino-acid analysis by a double-isotope-labelling technique using dansyl chloride. AU - J P Brown AU - R N Perham PY - 1973 DO - 10.1111/j.1432-1033.1973.tb03104.x UR - https://pubmed.ncbi.nlm.nih.gov/4589029/ ID - 4589029 ER -