TY - RPRT TI - Improved method for PCR-mediated site-directed mutagenesis. AU - D Barettino AU - M Feigenbutz AU - R Valcárcel AU - H G Stunnenberg PY - 1994 DO - 10.1093/nar/22.3.541 UR - https://pubmed.ncbi.nlm.nih.gov/8127698/ ID - 8127698 ER -