Ron de Graaf

The Netherlands Study of Depression and Anxiety (NESDA): rationale, objectives and methods

Brenda W.J.H. Penninx, Aartjan T.F. Beekman, Johannes H. Smit et al. · International Journal of Methods in Psychiatric Research · 2008 · 938 citations · Full text

Duration of major depressive episodes in the general population: Results from the Netherlands Mental Health Survey and Incidence Study (NEMESIS)

Jan Spijker, Ron de Graaf, Rob Bijl et al. · The British Journal of Psychiatry · 2002 · 509 citations · Full text

Development of Lifetime Comorbidity in the World Health Organization World Mental Health Surveys

Ronald C. Kessler, Johan Ormel, Maria Petukhova et al. · Archives of General Psychiatry · 2011 · 505 citations · Full text

Same-Sex Sexual Behavior and Psychiatric Disorders

Theo Sandfort, Ron de Graaf, Rob Bijl et al. · Archives of General Psychiatry · 2001 · 461 citations

Perceived Barriers to Mental Health Service Utilization in the United States, Ontario, and the Netherlands

Jitender Sareen, Amit Jagdeo, Brian J. Cox et al. · Psychiatric Services · 2007 · 448 citations · Full text