Boorsma M., Joling K., Dussel M., Ribbe M., Frijters D., van Marwijk H.W, Nijpels G., van Hout H..  2012.  The incidence of depression and its risk factors in Dutch nursing homes and residential care homes. Am J Geriatr Psychiatry. 20(11):932-42.

Baller M., Boorsma M., Frijters D.H, van Marwijk H.W, Nijpels G., van Hout H.P.  2010.  Depression in Dutch homes for the elderly: under-diagnosis in demented residents? Int J Geriatr Psychiatry. 25(7):712-8.

Boorsma M., van Hout H.P, Frijters D.H, Ribbe M.W, Nijpels G..  2008.  The cost-effectiveness of a new disease management model for frail elderly living in homes for the elderly, design of a cluster randomized controlled clinical trial. BMC Health Serv Res. 8:143.

Boorsma M., Langedijk E., Frijters D.H, Nijpels G., Elfring T., van Hout H.P.  2013.  Implementation of geriatric assessment and decision support in residential care homes: facilitating and impeding factors. BMC Health Serv Res. 13(1):8.

Boorsma M., Joling K.J, Frijters D.H, Ribbe M.E, Nijpels G., van Hout H.P.  2012.  The prevalence, incidence and risk factors for delirium in Dutch nursing homes and residential care homes. Int J Geriatr Psychiatry. 27(7):709-15.