TY - RPRT TI - Oligonucleotide-directed mutagenesis using an improved phosphorothioate approach. AU - S J Dale AU - I R Felix PY - 1996 DO - 10.1385/0-89603-332-5:55 UR - https://pubmed.ncbi.nlm.nih.gov/8849994/ ID - 8849994 ER -