title: Effects of multiple sessions of true and placebo heart rate biofeedback training on the heart rates and anxiety levels of anxious patients during and following treatment.
mesh_terms: D000328:Adult; D001007:Anxiety / Q000523:psychology* / Q000628:therapy; D001676:Biofeedback, Psychology; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D014163:Transfer, Psychology