TY - RPRT TI - Improved screening for oligonucleotide-directed mutant M13 phage. AU - A J Harwood AU - C J Bostock PY - 1988 DO - 10.1093/nar/16.11.5193 UR - https://pubmed.ncbi.nlm.nih.gov/3290848/ ID - 3290848 ER -