TY  - RPRT
TI  - pH-zone-refining countercurrent chromatography.
AU  - Y Ito
AU  - Y Ma
PY  - 1996
DO  - 10.1016/s0021-9673(96)00565-1
UR  - https://pubmed.ncbi.nlm.nih.gov/8962503/
ID  - 8962503
ER  -