@inproceedings{inproceedingsea4c812b,
title   = {Usefulness of approximate entropy for studying heart rate variability in Chagas' and arterial hypertension diseases during head-up postural test},
author = {Murta Júnior, Luiz Otávio and Nakazato, Kátia Cristiane and Crescêncio, Júlio César and Kozuki, Renata Torres and Maciel, Benedito Carlos and Gallo Júnior, Lourenço},
year = {2006},
booktitle   = {Experimental Chaos Conference n(9}
}