Peng Cheng Ye Datian Relative Power Percentage and Time-Power Percentages Map Analysis of Electrogastrogram Slow Waves. 875-878 2008 BMEI (2) http://doi.ieeecomputersociety.org/10.1109/BMEI.2008.143 conf/bmei/2008-2 db/conf/bmei/bmei2008-2.html#ChengD08