TY - RPRT TI - Single-base discrimination mediated by proofreading 3' phosphorothioate-modified primers. AU - Jia Zhang AU - Kai Li PY - 2003 DO - 10.1385/mb:25:3:223 UR - https://pubmed.ncbi.nlm.nih.gov/14668536/ ID - 14668536 ER -