@article{DBLP:journals/ijmi/UmefjordSMP08,
  author    = {G{\"o}ran Umefjord and
               Herbert Sandstr{\"o}m and
               Hans Malker and
               G{\"o}ran Petersson},
  title     = {Medical text-based consultations on the Internet: A 4-year
               study},
  journal   = {I. J. Medical Informatics},
  volume    = {77},
  number    = {2},
  year      = {2008},
  pages     = {114-121},
  ee        = {http://dx.doi.org/10.1016/j.ijmedinf.2007.01.009},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}