TY - JOUR T1 - Quantity of Aerobic Exercise Training for the Improvement of Heart Rate Variability in Older Adults JO - International Journal of Cardiovascular Sciences A1 - Ferreira, Luana Farinazzo A1 - Rodrigues, Gabriel Dias A1 - Soares, Pedro Paulo da Silva SN - 2359-5647 UL - 10.5935/2359-4802.20170003 VL - 30 Y1 - 2017 PB - Brasil ER -