TY - RPRT TI - Polypyrimidine sequences found in eukaryotic DNA have been conserved during evolution. AU - N A Straus AU - H C Birnboim PY - 1976 DO - 10.1016/0005-2787(76)90268-9 UR - https://pubmed.ncbi.nlm.nih.gov/999911/ ID - 999911 ER -