TY - RPRT TI - Random mutagenesis libraries: optimization and simplification by PCR. AU - H Xu AU - E I Petersen AU - S B Petersen AU - M R el-Gewely PY - 1999 DO - 10.2144/99276bm02 UR - https://pubmed.ncbi.nlm.nih.gov/10631483/ ID - 10631483 ER -