TY - RPRT TI - Structural repeating units in chromatin. I. Evidence for their general occurrence. AU - C L Woodcock AU - J P Safer AU - J E Stanchfield PY - 1976 DO - 10.1016/0014-4827(76)90659-5 UR - https://pubmed.ncbi.nlm.nih.gov/812708/ ID - 812708 ER -