TY - RPRT TI - A relative value method for measuring and evaluating cardiac reserve. AU - Shouzhong Xiao AU - Xingming Guo AU - Xiaobo Sun AU - Zifu Xiao PY - 2002 DO - 10.1186/1475-925x-1-6 UR - https://pubmed.ncbi.nlm.nih.gov/12495435/ ID - 12495435 ER -