TY - RPRT TI - Poly(ADP-ribose) polymerase forms loops with DNA. AU - G Gradwohl AU - A Mazen AU - G de Murcia PY - 1987 DO - 10.1016/s0006-291x(87)80219-x UR - https://pubmed.ncbi.nlm.nih.gov/3120719/ ID - 3120719 ER -