TY - JOUR T1 - Amount or Intensity? Study Examines Potential Benefits of Exercise for Patients with Heart Failure JF - Saudi Medical Journal JO - Saudi Med J SP - 1268 LP - 1268 VL - 38 IS - 12 A2 - , Y1 - 2017/12/01 UR - http://smj.org.sa/content/38/12/1268.2.abstract N2 - ER -