TY  - RPRT
TI  - A multiple mass spectral line method for determining positional specific activities in stable isotope-labeled amino acids.
AU  - T A Lee
AU  - D I Frost
AU  - G E Wilson
AU  - J K Hardy
PY  - 1991
DO  - 10.1016/0003-2697(91)90399-e
UR  - https://pubmed.ncbi.nlm.nih.gov/1785686/
ID  - 1785686
ER  -