TY - RPRT TI - An improved method for the separation of peptides and alpha-amino acids on copper-Sephadex. AU - E Rothenbühler AU - R Waibel AU - J Solms PY - 1979 DO - 10.1016/0003-2697(79)90087-3 UR - https://pubmed.ncbi.nlm.nih.gov/43100/ ID - 43100 ER -