Marital status and heart rate variability in patients with suspected coronary artery disease
Annals of Behavioral Medicine (2009) - Comment
pubmed: 19806415  doi: 10.1007/s12160-009-9137-0  issn: 1532-4796  issn: 0883-6612 

Gemma Randall, Mimi R. Bhattacharyya, Andrew Steptoe