Association between smoking and heart rate variability among individuals with depression
Annals of Behavioral Medicine (2013) - Comment
pubmed: 23436273  doi: 10.1007/s12160-013-9476-8  issn: 1532-4796  issn: 0883-6612 

Christopher B. Harte, Gabrielle I. Liverant, Denise M. Sloan, Barbara W. Kamholz, Laina E. Rosebrock, Maurizio Fava, Gary B. Kaplan