TY - RPRT TI - Reverse mutarotation of poly-L-proline. AU - I Z STEINBERG AU - A BERGER AU - E KATCHALSKI PY - 1958 DO - 10.1016/0006-3002(58)90537-7 UR - https://pubmed.ncbi.nlm.nih.gov/13560425/ ID - 13560425 ER -