TY - RPRT TI - Positive selection vectors based on palindromic DNA sequences. AU - J Altenbuchner AU - P Viell AU - I Pelletier PY - 1992 DO - 10.1016/0076-6879(92)16042-i UR - https://pubmed.ncbi.nlm.nih.gov/1479915/ ID - 1479915 ER -