http://www.medworm.com/index.php?rid=166501993&cid=c_64_49_f&fid=33665&url=http%3A%2F%2Fjournals.lww.com%2Fmd-journal%2FFulltext%2F2016%2F02090%2FChanges_of_Brain_Connectivity_in_the_Primary_Motor.20.aspx
http://www.medworm.com/index.php?rid=166501993&cid=c_64_49_f&fid=33665&url=http%3A%2F%2Fjournals.lww.com%2Fmd-journal%2FFulltext%2F2016%2F02090%2FChanges_of_Brain_Connectivity_in_the_Primary_Motor.20.aspx