Heart rate fragmentation, a novel approach in heart rate variability analysis, is altered in rats 4 and 12 weeks after myocardial infarction - Omoto, Ana Carolina Mieko; Lataro, Renata M.; Silva, Thais Marques da; Salgado, Hélio César; Fazan Júnior, Rubens; Silva, Luiz Eduardo Virgilio da (Medical & Biological Engineering & Computing, 2021)