Heart rate fragmentation, a novel approach in heart rate variability analysis, is altered in rats 4 and 12 weeks after myocardial infarction. - Ana Carolina Mieko Omoto; Renata M. Lataro; Thaís Marques da Silva; Hélio Cesar Salgado; Rubens Fazan Junior; Luiz Eduardo Virgilio da Silva (Medical Biol. Eng. Comput., 2021)