@misc{indiciae3afad1e02898, title = {Nonrespiratory sinus arrhythmia.}, author = {José Barbosa Filho and Paulo Roberto B Barbosa and Ivan Cordovil}, year = {2002}, doi = {10.1590/s0066-782x2002000400008}, url = {https://pubmed.ncbi.nlm.nih.gov/12011957/}, note = {Source identifier: 12011957} }