@article{article7ec31f5f, title = {Depressed respiratory sinus arrythmia: additional evidence for impairment of vagal activity in human hyperthyroidism}, author = {Maciel, B C and Gallo Junior, L and Marin Neto, J A and Zanini Maciel, L M}, year = {1990}, journal = {Brazilian Journal of Medical and Biological Research} }