@article{SchaeferHansenSchoenetal.2012,
  author    = {Ingmar Sch{\"a}fer and Heike Hansen and Gerhard Sch{\"o}n and Susanne H{\"o}fels and Attila Altiner and Anne Maren Dahlhaus and Jochen Gensichen and Steffi Gerlinde Riedel-Heller and Siegfried Weyerer and Wolfgang A. Blank and Hans-Helmut K{\"o}nig and Olaf von dem Knesebeck and Karl Wegscheider and Martin Scherer and Hendrik van den Bussche and Birgitt Wiese},
  title     = {The influence of age, gender and socio-economic status on multimorbidity patterns in primary care : first results from the MultiCare Cohort study},
  journal   = {BMC health services research},
  volume    = {12},
  number    = {Art. 89},
  pages     = {1 -- 15},
  doi       = {doi:10.1186/1472-6963-12-89},
  year      = {2012},
}