The influence of age, gender and socio-economic status on multimorbidity patterns in primary care. first results from the multicare cohort study
I. Schäfer, H. Hansen, G. Schön, S. Höfels, A. Altiner, A. Dahlhaus, J. Gensichen, S. Riedel-Heller, S. Weyerer, W. Blank, H. König, O. von dem Knesebeck, K. Wegscheider, M. Scherer, H. van den Bussche, B. Wiese
BMC Health Services Research