AUTHOR=Rolim Luiz C., Souza Jose Sergio T., Dib Sergio TITLE=Tests for Early Diagnosis of Cardiovascular Autonomic Neuropathy: Critical Analysis and Relevance JOURNAL=Frontiers in Endocrinology VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2013.00173 DOI=10.3389/fendo.2013.00173 ISSN=1664-2392