Effects of Physical Activity,Social Interaction and Brain Habits on Depressive Symptoms in Elderly Patients with Newly Diagnosed Ischemic Stroke 
GAO Chang1,GAO Ran2,ZHANG Li-li3,LIU Ning4*
Chinese General Practice . 2018, (21): 2561 -2566 .  DOI: 10.12114/j.issn.1007-9572.2018.00.004