TY  - RPRT
TI  - Peptide separation by pH-zone-refining countercurrent chromatography.
AU  - Y Ma
AU  - Y Ito
PY  - 1997
DO  - 10.1016/s0021-9673(97)00065-4
UR  - https://pubmed.ncbi.nlm.nih.gov/9210314/
ID  - 9210314
ER  -