Sophie A Vreeburg

Major depressive disorder and hypothalamic-pituitary-adrenal axis activity: results from a large cohort study.

F. Zitman, B. Penninx, J. Smit, 2009, Archives of general psychiatry.

Salivary Cortisol Levels in Persons With and Without Different Anxiety Disorders

F. Zitman, B. Penninx, B. Penninx, 2010, Psychosomatic medicine.