The sham operation group had a pacemaker implanted, with no pacing; the HF group was tachypaced at 50 times/min for 37 d to establish the (chronic or congestive) HF model; Vagal stimulation group were implanted with a pacemaker at 250 times/min rapid pacing for 30 d, then the right vagus nerve was stimulated for 7 d (frequency: 20 Hz).

A wanderer, here by fortune tost, / My way, my friends, my courser lost, / I ne'er before, believe me, fair, / Have ever drawn your mountain air, / Till on this lake's romantic strand, / I found a fay in fairy land.

Minute grew into minute, and still there was no sign of life, nor did the curtain move; but I felt the gaze of the unknown being sinking through and through me, and filling me with a nameless terror, till the perspiration stood in beads upon my brow.

[…] if she can create the sense of beauty in people whose lives have been sordid and ugly...she is worthy of all your adoration, worthy of the adoration of the world.