TY - RPRT TI - A simple and convenient method for preparing chimeric animals from embryonic stem (ES) cells. AU - Pyapalli Usha Rani AU - Jaspal Singh Khillan PY - 2003 DO - 10.1023/b:trag.0000005248.50923.cf UR - https://pubmed.ncbi.nlm.nih.gov/14713203/ ID - 14713203 ER -