Huhe Dai Shouda Jiang Ye Li 0002 Atrial activity extraction from single lead ECG recordings: Evaluation of two novel methods. 176-183 2013 43 Comput. Biol. Medicine 3 https://doi.org/10.1016/j.compbiomed.2012.12.005 https://www.wikidata.org/entity/Q51277047 db/journals/cbm/cbm43.html#DaiJL13