Associations among salivary cortisol, melatonin, catecholamines, sleep quality and stress in women with breast cancer and healthy controls
Journal of Behavioral Medicine (2007) - Comment
pubmed: 17245618  doi: 10.1007/s10865-006-9082-3  issn: 0160-7715  issn: 1573-3521 

Linda E. Carlson, Tavis S. Campbell, Sheila N. Garland, Paul Grossman