title: Reduced vagal cardiac control variance in exhausted and high strain job subjects.
authors.affiliation: Department of Physical Therapy, Kerr Ergonomics Institute, School of Health and Environment, University of Massachusetts Lowell, Lowell, MA. 01854-5124, USA. Sean_Collins@uml.edu
authors.forename: Sean
authors.initials: S
authors.lastname: Collins
authors.forename: Robert
authors.initials: R
authors.lastname: Karasek