TY - RPRT TI - PAPER CHROMATOGRAPHY USING LIQUID ION EXCHANGERS. AU - W H ORME-JOHNSON AU - C G SKINNER PY - 1963 DO - 10.1016/s0021-9673(01)80958-4 UR - https://pubmed.ncbi.nlm.nih.gov/14062614/ ID - 14062614 ER -