van Marwijk, H. W., Ader, H., de Haan, M., & Beekman, A. (2008). Primary care management of major depression in patients aged ≥55 years: : outcome of a randomised clinical trial. Royal College of General Practitioners.

van Marwijk, Harm WJ, Herman Ader, Marten de Haan, and Aartjan Beekman. Primary Care Management of Major Depression in Patients Aged ≥55 Years: : Outcome of a Randomised Clinical Trial. Royal College of General Practitioners, 2008.

van Marwijk, Harm WJ, Herman Ader, Marten de Haan, and Aartjan Beekman. Primary Care Management of Major Depression in Patients Aged ≥55 Years: : Outcome of a Randomised Clinical Trial. Royal College of General Practitioners, 2008.