TY - RPRT TI - Reversible changes of ordered polypeptide structures in oxidized and reduced epimerase. AU - A U Bertland AU - H M Kalckar PY - 1968 DO - 10.1073/pnas.61.2.629 UR - https://pubmed.ncbi.nlm.nih.gov/5245995/ ID - 5245995 ER -