title: Heart rate variability and depression.
authors.forename: Andreas
authors.initials: A
authors.lastname: Birkhofer
authors.forename: Georg
authors.initials: G
authors.lastname: Schmidt
authors.forename: Hans
authors.initials: H
authors.lastname: Förstl
mesh_terms: D000367:Age Factors; D000368:Aged; D015897:Comorbidity; D003327:Coronary Disease / Q000175:diagnosis* / Q000453:epidemiology; D003866:Depressive Disorder / Q000175:diagnosis* / Q000453:epidemiology; D004569:Electroencephalography / Q000706:statistics & numerical data; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008875:Middle Aged; D012107:Research Design