TY - RPRT TI - Analyzing the ATR-mediated checkpoint using Xenopus egg extracts. AU - Patrick J Lupardus AU - Christopher Van AU - Karlene A Cimprich PY - 2007 DO - 10.1016/j.ymeth.2006.07.024 UR - https://pubmed.ncbi.nlm.nih.gov/17189864/ ID - 17189864 ER -