TY - RPRT TI - Modification of DNA ends can decrease end joining relative to homologous recombination in mammalian cells. AU - X B Chang AU - J H Wilson PY - 1987 DO - 10.1073/pnas.84.14.4959 UR - https://pubmed.ncbi.nlm.nih.gov/3037530/ ID - 3037530 ER -