"Arne H. W. Larsson, 86; Had First Internal Pacemaker" "Arne H. W. Larsson, 86; Had First Internal Pacemaker" "Arne H. W. Larsson, 86; Had First Internal Pacemaker" Honoring a pacemaker pioneer "Arne H. W. Larsson, 86; Had First Internal Pacemaker" "Arne H. W. Larsson, 86; Had First Internal Pacemaker" "Arne H. W. Larsson, 86; Had First Internal Pacemaker"